From 32b936afa39ab9aec1c377e69f19f5f610116f31 Mon Sep 17 00:00:00 2001
From: Gijs Kruitbosch <gijskruitbosch@gmail.com>
Date: Wed, 17 Jun 2020 22:45:31 +0000
Subject: [PATCH] Bug 1644863 - fix trailing whitespace in cross-tree tests,
 r=emilio,marionette-reviewers,whimboo

Differential Revision: https://phabricator.services.mozilla.com/D79202
---
 caps/tests/mochitest/test_bug423375.html      |   4 +-
 dom/bindings/crashtests/1010658-1.html        |  32 ++---
 dom/bindings/crashtests/1010658-2.html        |  32 ++---
 dom/bindings/test/test_bug560072.html         |   2 +-
 dom/bindings/test/test_bug759621.html         |   2 +-
 dom/bindings/test/test_interfaceToString.html |   2 +-
 dom/bindings/test/test_lookupGetter.html      |   2 +-
 dom/bindings/test/test_traceProtos.html       |   2 +-
 .../test/test_treat_non_object_as_null.html   |   2 +-
 dom/ipc/test.xhtml                            |  18 +--
 .../test/browser_cached_force_refresh.html    |   2 +-
 .../test/test_force_refresh.html              |   2 +-
 .../test/test_serviceworkermanager.xhtml      |   2 +-
 .../enumerate_vr_on_dying_window.html         |  28 ++--
 .../mochitest/test_vrDisplay_exitPresent.html | 100 +++++++--------
 .../test_vrDisplay_onvrdisplayconnect.html    |  84 ++++++------
 dom/websocket/tests/test_websocket5.html      |   2 +-
 .../test_receive-arraybuffer.html             |   4 +-
 .../websocket_hybi/test_receive-blob.html     |   4 +-
 .../websocket_hybi/test_send-arraybuffer.html |   2 +-
 dom/workers/test/test_blobConstructor.html    | 120 +++++++++---------
 dom/workers/test/test_importScripts.html      |   2 +-
 .../test/test_importScripts_mixedcontent.html |   2 +-
 dom/workers/test/test_longThread.html         |   2 +-
 dom/workers/test/test_simpleThread.html       |   2 +-
 dom/workers/test/test_threadErrors.html       |   2 +-
 dom/workers/test/test_threadTimeouts.html     |   2 +-
 dom/xhr/tests/crashtests/1546185.html         |  84 ++++++------
 dom/xhr/tests/test_XHRResponseURL.html        |   2 +-
 dom/xhr/tests/test_XHR_anon.html              |   4 +-
 dom/xhr/tests/test_XHR_onuploadprogress.html  |   2 +-
 dom/xhr/tests/test_XHR_system.html            |   4 +-
 dom/xhr/tests/test_XHR_timeout.html           |   2 +-
 dom/xhr/tests/test_html_in_xhr.html           |   8 +-
 dom/xhr/tests/test_sync_xhr_timer.xhtml       |   2 +-
 .../tests/test_worker_xhr_responseURL.html    |   2 +-
 dom/xhr/tests/test_worker_xhr_timeout.html    |   2 +-
 dom/xhr/tests/test_xhr_send_readystate.html   |   2 +-
 editor/composer/res/EditorOverride.css        |  10 +-
 .../helper_hittest_sticky_bug1478304.html     |   4 +-
 .../helper_scroll_inactive_zindex.html        |   2 +-
 gfx/tests/mochitest/test_bug513439.html       |   2 +-
 js/src/tests/jsreftest.html                   |   4 +-
 layout/mathml/mathml.css                      |   2 +-
 layout/style/res/counterstyles.css            |   2 +-
 .../test_different_domain_in_hierarchy.html   |   2 +-
 .../test/mochitests/test_differentdomain.html |   2 +-
 netwerk/test/mochitests/test_loadflags.html   |   2 +-
 .../test/mochitests/test_rel_preconnect.html  |   2 +-
 .../mochitests/test_same_base_domain.html     |   2 +-
 .../mochitests/test_same_base_domain_2.html   |   2 +-
 .../mochitests/test_same_base_domain_3.html   |   2 +-
 .../mochitests/test_same_base_domain_4.html   |   2 +-
 .../mochitests/test_same_base_domain_5.html   |   2 +-
 .../mochitests/test_same_base_domain_6.html   |   2 +-
 netwerk/test/mochitests/test_samedomain.html  |   2 +-
 .../tests/mochitest/mixedcontent/iframe.html  |   2 +-
 .../tests/mochitest/mixedcontent/iframe2.html |   2 +-
 .../nosts_bootstrap.html                      |   2 +-
 .../plain_bootstrap.html                      |   2 +-
 .../subdom_bootstrap.html                     |   2 +-
 testing/marionette/chrome/test2.xhtml         |   2 +-
 .../marionette_harness/www/bug814037.html     | 112 ++++++++--------
 .../marionette_harness/www/deletingFrame.html |  60 ++++-----
 .../harness/marionette_harness/www/empty.html |   2 +-
 .../marionette_harness/www/formPage.html      |   2 +-
 .../harness/marionette_harness/www/test.html  |   2 +-
 .../marionette_harness/www/test_iframe.html   |   2 +-
 .../www/test_nested_iframe.html               |   4 +-
 .../marionette_harness/www/test_oop_1.html    |   2 +-
 .../marionette_harness/www/test_oop_2.html    |   2 +-
 testing/mochitest/chrome/test_sample.xhtml    |   2 +-
 .../chrome/test_sanityEventUtils.xhtml        |   6 +-
 .../chrome/test_sanityException.xhtml         |   2 +-
 .../chrome/test_sanityException2.xhtml        |   2 +-
 .../chrome/test_sanityManifest_pf.xhtml       |   2 +-
 testing/mochitest/harness.xhtml               |   6 +-
 testing/mochitest/static/harness.css          |   8 +-
 .../tests/Harness_sanity/test_sanity.html     |   2 +-
 .../mozlog/mozlog/formatters/html/style.css   |   4 +-
 .../test/test_windowlessBrowser.xhtml         |   6 +-
 81 files changed, 431 insertions(+), 431 deletions(-)

diff --git a/caps/tests/mochitest/test_bug423375.html b/caps/tests/mochitest/test_bug423375.html
index 29594e5798db..9a6d723358a9 100644
--- a/caps/tests/mochitest/test_bug423375.html
+++ b/caps/tests/mochitest/test_bug423375.html
@@ -5,14 +5,14 @@
 -->
 <head>
   <title>Test for Bug 423375</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body>
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=423375">Mozilla Bug 423375</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-<iframe id="load-frame"></iframe>  
+<iframe id="load-frame"></iframe>
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/bindings/crashtests/1010658-1.html b/dom/bindings/crashtests/1010658-1.html
index af46069c7c86..6b341f4ed931 100644
--- a/dom/bindings/crashtests/1010658-1.html
+++ b/dom/bindings/crashtests/1010658-1.html
@@ -1,16 +1,16 @@
-<!DOCTYPE html>
-<html>
-<head>
-<script>
-function boom()
-{
-    window.__proto__ = null;
-    for (var i = 0; i < 10000; ++i) {
-        self.document;
-    }
-}
-
-</script></head>
-
-<body onload="boom();"></body>
-</html>
+<!DOCTYPE html>
+<html>
+<head>
+<script>
+function boom()
+{
+    window.__proto__ = null;
+    for (var i = 0; i < 10000; ++i) {
+        self.document;
+    }
+}
+
+</script></head>
+
+<body onload="boom();"></body>
+</html>
diff --git a/dom/bindings/crashtests/1010658-2.html b/dom/bindings/crashtests/1010658-2.html
index 4b80242ec94b..cf473c3dd98e 100644
--- a/dom/bindings/crashtests/1010658-2.html
+++ b/dom/bindings/crashtests/1010658-2.html
@@ -1,16 +1,16 @@
-<!DOCTYPE html>
-<html>
-<head>
-<script>
-function boom()
-{
-    window.__proto__ = function(){};
-    for (var i = 0; i < 10000; ++i) {
-        self.document;
-    }
-}
-
-</script></head>
-
-<body onload="boom();"></body>
-</html>
+<!DOCTYPE html>
+<html>
+<head>
+<script>
+function boom()
+{
+    window.__proto__ = function(){};
+    for (var i = 0; i < 10000; ++i) {
+        self.document;
+    }
+}
+
+</script></head>
+
+<body onload="boom();"></body>
+</html>
diff --git a/dom/bindings/test/test_bug560072.html b/dom/bindings/test/test_bug560072.html
index f46b42c7c9b6..de2f8baec908 100644
--- a/dom/bindings/test/test_bug560072.html
+++ b/dom/bindings/test/test_bug560072.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=560072">Mozilla Bug 560072</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/bindings/test/test_bug759621.html b/dom/bindings/test/test_bug759621.html
index 1f81e6048b81..7c47887d35c8 100644
--- a/dom/bindings/test/test_bug759621.html
+++ b/dom/bindings/test/test_bug759621.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=759621">Mozilla Bug 759621</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/bindings/test/test_interfaceToString.html b/dom/bindings/test/test_interfaceToString.html
index 5e8a41d066de..0a7ae9337fdf 100644
--- a/dom/bindings/test/test_interfaceToString.html
+++ b/dom/bindings/test/test_interfaceToString.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742156">Mozilla Bug 742156</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/bindings/test/test_lookupGetter.html b/dom/bindings/test/test_lookupGetter.html
index 96b48fc82b3b..5fe15059b7a8 100644
--- a/dom/bindings/test/test_lookupGetter.html
+++ b/dom/bindings/test/test_lookupGetter.html
@@ -12,7 +12,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462428">Mozilla Bug 462428</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/bindings/test/test_traceProtos.html b/dom/bindings/test/test_traceProtos.html
index be034f4edf17..b649b6ec8cc3 100644
--- a/dom/bindings/test/test_traceProtos.html
+++ b/dom/bindings/test/test_traceProtos.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=744772">Mozilla Bug 744772</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/bindings/test/test_treat_non_object_as_null.html b/dom/bindings/test/test_treat_non_object_as_null.html
index f18496f8e2d8..785a2ebc71be 100644
--- a/dom/bindings/test/test_treat_non_object_as_null.html
+++ b/dom/bindings/test/test_treat_non_object_as_null.html
@@ -14,7 +14,7 @@
 
     var onvolumechange;
     var x = {};
-  
+
     (function() {
        onvolumechange = x;
        is(onvolumechange, x,
diff --git a/dom/ipc/test.xhtml b/dom/ipc/test.xhtml
index 8d24802eb0b8..6f6cea9c7baa 100644
--- a/dom/ipc/test.xhtml
+++ b/dom/ipc/test.xhtml
@@ -58,7 +58,7 @@
       y.addEventListener("MozAfterPaint", handleMozAfterPaint, true);
       y.addEventListener("MozScrolledAreaChanged", handleMozScrolledAreaChanged, true);
     }
-    
+
     function loadURL(url) {
       document.getElementById('page').setAttribute('src', url);
     }
@@ -77,7 +77,7 @@
     function openWindow() {
       window.open('chrome://global/content/test-ipc.xhtml', '_blank', 'chrome,resizable,width=800,height=800');
     }
-    
+
     function closeWindow() {
       window.close();
     }
@@ -96,32 +96,32 @@
         alert("Should have two child processes!");
       }
       var childprocessmm = ppm.getChildAt(1); // 0 is the in-process child process mm
-      
+
       childprocessmm.addMessageListener("ppm-sync",
         function(m) {
           if (m.target != childprocessmm) alert("Wrong target!");
-          document.getElementById("messageLog").value += "[SYNC1 PPM]"; 
+          document.getElementById("messageLog").value += "[SYNC1 PPM]";
         }
       );
-      
+
       ppm.addMessageListener("ppm-sync",
         function(m) {
           // Check that global process message manager gets the per-process mm as target.
           if (m.target != childprocessmm) alert("Wrong target!");
-          document.getElementById("messageLog").value += "[SYNC2 PPM]"; 
+          document.getElementById("messageLog").value += "[SYNC2 PPM]";
         }
       );
       childprocessmm.addMessageListener("ppm-async",
         function(m) {
           if (m.target != childprocessmm) alert("Wrong target!");
-          document.getElementById("messageLog").value += "[ASYNC1 PPM]"; 
+          document.getElementById("messageLog").value += "[ASYNC1 PPM]";
         }
       );
       ppm.addMessageListener("ppm-async",
         function(m) {
           // Check that global process message manager gets the per-process mm as target.
           if (m.target != childprocessmm) alert("Wrong target!");
-          document.getElementById("messageLog").value += "[ASYNC2 PPM]"; 
+          document.getElementById("messageLog").value += "[ASYNC2 PPM]";
         }
       );
       messageManager.loadFrameScript("chrome://global/content/remote-test-ipc.js", true);
@@ -130,7 +130,7 @@
       // 2. Test that adding message listener works, and that receiving a sync message works.
       messageManager.addMessageListener("linkclick",
         function(m) {
-          // This checks that json sending works in sync messages. 
+          // This checks that json sending works in sync messages.
           document.getElementById("messageLog").value = m.name + ": " + m.json.href;
           return { message: "linkclick-received" };
         });
diff --git a/dom/serviceworkers/test/browser_cached_force_refresh.html b/dom/serviceworkers/test/browser_cached_force_refresh.html
index 6438c59ecd81..faf2ee7a839d 100644
--- a/dom/serviceworkers/test/browser_cached_force_refresh.html
+++ b/dom/serviceworkers/test/browser_cached_force_refresh.html
@@ -37,7 +37,7 @@
 }
 
 addEventListener('load', function(event) {
-  if (!navigator.serviceWorker.controller) {  
+  if (!navigator.serviceWorker.controller) {
     return fail(window.location.href + ' is not controlled!');
   }
 
diff --git a/dom/serviceworkers/test/test_force_refresh.html b/dom/serviceworkers/test/test_force_refresh.html
index 8532f5115be4..69da7b7de31b 100644
--- a/dom/serviceworkers/test/test_force_refresh.html
+++ b/dom/serviceworkers/test/test_force_refresh.html
@@ -15,7 +15,7 @@
 <pre id="test"></pre>
 <script class="testbody" type="text/javascript">
   /**
-   * 
+   *
    */
   let iframe;
   let registration;
diff --git a/dom/serviceworkers/test/test_serviceworkermanager.xhtml b/dom/serviceworkers/test/test_serviceworkermanager.xhtml
index 33104c781f0a..b118b7d3f197 100644
--- a/dom/serviceworkers/test/test_serviceworkermanager.xhtml
+++ b/dom/serviceworkers/test/test_serviceworkermanager.xhtml
@@ -63,7 +63,7 @@
 
           SimpleTest.finish();
         })();
-      }); 
+      });
     }
 
   ]]>
diff --git a/dom/vr/test/crashtests/enumerate_vr_on_dying_window.html b/dom/vr/test/crashtests/enumerate_vr_on_dying_window.html
index 95975258bc5e..2906faa79c5d 100644
--- a/dom/vr/test/crashtests/enumerate_vr_on_dying_window.html
+++ b/dom/vr/test/crashtests/enumerate_vr_on_dying_window.html
@@ -1,14 +1,14 @@
-<html>
-<head>
-<script>
-window.onload = function(){
-  var frame = document.getElementById('test_iframe');
-  var win = frame.contentWindow;
-  frame.remove();
-  win.onvrdisplayactivate = function () {}
-};
-</script></head>
-<body>
-	<iframe id="test_iframe"></iframe>
-</body>
-</html>
+<html>
+<head>
+<script>
+window.onload = function(){
+  var frame = document.getElementById('test_iframe');
+  var win = frame.contentWindow;
+  frame.remove();
+  win.onvrdisplayactivate = function () {}
+};
+</script></head>
+<body>
+	<iframe id="test_iframe"></iframe>
+</body>
+</html>
diff --git a/dom/vr/test/mochitest/test_vrDisplay_exitPresent.html b/dom/vr/test/mochitest/test_vrDisplay_exitPresent.html
index cdce7d79045e..8e0467e4d26b 100644
--- a/dom/vr/test/mochitest/test_vrDisplay_exitPresent.html
+++ b/dom/vr/test/mochitest/test_vrDisplay_exitPresent.html
@@ -1,51 +1,51 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <title>VRDisplay ExitPresent</title>
-    <meta name="timeout" content="long"/>
-    <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-    <script src="VRSimulationDriver.js"></script>
-    <script src="runVRTest.js"></script>
-  </head>
-  <body>
-    <script>
-      function testExitPresentOnOtherIframe(content) {
-          return content.navigator.getVRDisplays().then((displays) => {
-            content.vrDisplay = displays[0];
-            return content.vrDisplay.exitPresent();
-        });
-      }
-      var initVRPresentation = function(content) {
-        return VRSimulationDriver.AttachWebVRDisplay().then(() => {
-          return content.navigator.getVRDisplays().then((displays) => {
-            content.vrDisplay = displays[0];
-            content.canvas = content.document.createElement("canvas");
-            content.canvas.id = "vrCanvas";
-            return content.vrDisplay.requestPresent([{source:content.canvas}]);
-          });
-        });
-      }
-      function startTest() {
-        var ifr1 = document.getElementById("iframe1");
-        var ifr2 = document.getElementById("iframe2");
-        var frame1 = ifr1.contentWindow;
-        var frame2 = ifr2.contentWindow;
-        promise_test((test) => {
-          return VRSimulationDriver.AttachWebVRDisplay().then(() => {
-            return initVRPresentation(frame1).then(() => {
-              promise_test((test) => {
-                return promise_rejects(test, null, testExitPresentOnOtherIframe(frame2));
-              }, "We cannot exit VR presentation established by another content, this promise is expected to be rejected.")
-            });
-          });
-        }, "Finish running WebVR exitPresent test.");
-      }
-      runVRTest(startTest);
-    </script>
-
-    <iframe id="iframe1"></iframe>
-    <iframe id="iframe2"></iframe>
-  </body>
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>VRDisplay ExitPresent</title>
+    <meta name="timeout" content="long"/>
+    <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="VRSimulationDriver.js"></script>
+    <script src="runVRTest.js"></script>
+  </head>
+  <body>
+    <script>
+      function testExitPresentOnOtherIframe(content) {
+          return content.navigator.getVRDisplays().then((displays) => {
+            content.vrDisplay = displays[0];
+            return content.vrDisplay.exitPresent();
+        });
+      }
+      var initVRPresentation = function(content) {
+        return VRSimulationDriver.AttachWebVRDisplay().then(() => {
+          return content.navigator.getVRDisplays().then((displays) => {
+            content.vrDisplay = displays[0];
+            content.canvas = content.document.createElement("canvas");
+            content.canvas.id = "vrCanvas";
+            return content.vrDisplay.requestPresent([{source:content.canvas}]);
+          });
+        });
+      }
+      function startTest() {
+        var ifr1 = document.getElementById("iframe1");
+        var ifr2 = document.getElementById("iframe2");
+        var frame1 = ifr1.contentWindow;
+        var frame2 = ifr2.contentWindow;
+        promise_test((test) => {
+          return VRSimulationDriver.AttachWebVRDisplay().then(() => {
+            return initVRPresentation(frame1).then(() => {
+              promise_test((test) => {
+                return promise_rejects(test, null, testExitPresentOnOtherIframe(frame2));
+              }, "We cannot exit VR presentation established by another content, this promise is expected to be rejected.")
+            });
+          });
+        }, "Finish running WebVR exitPresent test.");
+      }
+      runVRTest(startTest);
+    </script>
+
+    <iframe id="iframe1"></iframe>
+    <iframe id="iframe2"></iframe>
+  </body>
 </html>
\ No newline at end of file
diff --git a/dom/vr/test/mochitest/test_vrDisplay_onvrdisplayconnect.html b/dom/vr/test/mochitest/test_vrDisplay_onvrdisplayconnect.html
index a287b9615638..8f4018dc7466 100644
--- a/dom/vr/test/mochitest/test_vrDisplay_onvrdisplayconnect.html
+++ b/dom/vr/test/mochitest/test_vrDisplay_onvrdisplayconnect.html
@@ -1,43 +1,43 @@
-<html>
-  <head>
-    <title>VRDisplay onvrdisplayconnect test</title>
-    <meta name="timeout" content="long"/>
-    <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-    <script src="VRSimulationDriver.js"></script>
-    <script src="WebVRHelpers.js"></script>
-    <script src="requestPresent.js"></script>
-    <script src="runVRTest.js"></script>
-  </head>
-  <body>
-    <script>
-
-      function eventAfterConnectedTest() {
-        async_test(function (test) {
-          window.addEventListener("vrdisplayconnect", () => {
-            test.done();
-          });
-        }, "vrdisplayconnect should fire as soon as content listens for it, \
-            even if the VR display was already connected.");
-      }
-
-      function startTest() {
-        promise_test((test) => {
-          return attachVRDisplay(test).then(() => {
-            return promise_test((test) => {
-              return setupVRDisplay(test).then(() => {
-                VRSimulationDriver.UpdateVRDisplay();
-                eventAfterConnectedTest();
-                VRSimulationDriver.UpdateVRDisplay();
-              });
-            });
-          });
-        });
-      }
-
-      runVRTest(startTest);
-    </script>
-    <iframe id="iframe1"></iframe>
-  </body>
+<html>
+  <head>
+    <title>VRDisplay onvrdisplayconnect test</title>
+    <meta name="timeout" content="long"/>
+    <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="VRSimulationDriver.js"></script>
+    <script src="WebVRHelpers.js"></script>
+    <script src="requestPresent.js"></script>
+    <script src="runVRTest.js"></script>
+  </head>
+  <body>
+    <script>
+
+      function eventAfterConnectedTest() {
+        async_test(function (test) {
+          window.addEventListener("vrdisplayconnect", () => {
+            test.done();
+          });
+        }, "vrdisplayconnect should fire as soon as content listens for it, \
+            even if the VR display was already connected.");
+      }
+
+      function startTest() {
+        promise_test((test) => {
+          return attachVRDisplay(test).then(() => {
+            return promise_test((test) => {
+              return setupVRDisplay(test).then(() => {
+                VRSimulationDriver.UpdateVRDisplay();
+                eventAfterConnectedTest();
+                VRSimulationDriver.UpdateVRDisplay();
+              });
+            });
+          });
+        });
+      }
+
+      runVRTest(startTest);
+    </script>
+    <iframe id="iframe1"></iframe>
+  </body>
 </html>
\ No newline at end of file
diff --git a/dom/websocket/tests/test_websocket5.html b/dom/websocket/tests/test_websocket5.html
index f284c6eb35c7..d86752ed5afa 100644
--- a/dom/websocket/tests/test_websocket5.html
+++ b/dom/websocket/tests/test_websocket5.html
@@ -21,7 +21,7 @@
   test47, // Make sure onerror/onclose aren't called during close()
   test48, // see bug 1227136 - client calls close() from onopen() and waits
           // until WebSocketChannel::mSocketIn is nulled out on socket thread
-  test49, // Test that we fail if subprotocol returned from server doesn't match 
+  test49, // Test that we fail if subprotocol returned from server doesn't match
 ];
 
 function testWebSocket() {
diff --git a/dom/websocket/tests/websocket_hybi/test_receive-arraybuffer.html b/dom/websocket/tests/websocket_hybi/test_receive-arraybuffer.html
index 2070b24ad3f8..6d465b76771b 100644
--- a/dom/websocket/tests/websocket_hybi/test_receive-arraybuffer.html
+++ b/dom/websocket/tests/websocket_hybi/test_receive-arraybuffer.html
@@ -13,7 +13,7 @@
 
 <script class="testbody" type="text/javascript">
 
-function debug(msg) { 
+function debug(msg) {
    ok(1, msg);
 }
 
@@ -67,7 +67,7 @@
 function check(index)
 {
     debug("Checking message #" + index + ".");
-    ok(receivedMessages[index] instanceof ArrayBuffer, 
+    ok(receivedMessages[index] instanceof ArrayBuffer,
        "Should receive an arraybuffer!");
     checkArrayBuffer(index, receivedMessages[index], expectedValues[index]);
 }
diff --git a/dom/websocket/tests/websocket_hybi/test_receive-blob.html b/dom/websocket/tests/websocket_hybi/test_receive-blob.html
index bcb7646fbe17..5589633a7c51 100644
--- a/dom/websocket/tests/websocket_hybi/test_receive-blob.html
+++ b/dom/websocket/tests/websocket_hybi/test_receive-blob.html
@@ -13,7 +13,7 @@
 
 <script class="testbody" type="text/javascript">
 
-function debug(msg) { 
+function debug(msg) {
    ok(true, msg);
 }
 
@@ -69,7 +69,7 @@
     }
 
     debug("Checking message #" + index + ".");
-    ok(receivedMessages[index] instanceof Blob, 
+    ok(receivedMessages[index] instanceof Blob,
        "We should be receiving a Blob");
     var reader = new FileReader();
     reader.readAsArrayBuffer(receivedMessages[index]);
diff --git a/dom/websocket/tests/websocket_hybi/test_send-arraybuffer.html b/dom/websocket/tests/websocket_hybi/test_send-arraybuffer.html
index 632d5f346628..6c71ca5415d8 100644
--- a/dom/websocket/tests/websocket_hybi/test_send-arraybuffer.html
+++ b/dom/websocket/tests/websocket_hybi/test_send-arraybuffer.html
@@ -13,7 +13,7 @@
 
 <script class="testbody" type="text/javascript">
 
-function debug(msg) { 
+function debug(msg) {
    ok(1, msg);
 }
 
diff --git a/dom/workers/test/test_blobConstructor.html b/dom/workers/test/test_blobConstructor.html
index 6c30eb3d40b1..4aff5b545b6a 100644
--- a/dom/workers/test/test_blobConstructor.html
+++ b/dom/workers/test/test_blobConstructor.html
@@ -1,60 +1,60 @@
-<!--
-  Any copyright is dedicated to the Public Domain.
-  http://creativecommons.org/publicdomain/zero/1.0/
--->
-<!DOCTYPE html>
-<html>
-<!--
-Tests of DOM Worker Blob constructor
--->
-<head>
-  <title>Test for DOM Worker Blob constructor</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
-</head>
-<body>
-<p id="display"></p>
-<div id="content" style="display: none">
-
-</div>
-<pre id="test">
-<script class="testbody" type="text/javascript">
-(function() {
-  onerror = function(e) {
-    ok(false, "Main Thread had an error: " + event.data);
-    SimpleTest.finish();
-  };
-  function f() {
-    onmessage = function(e) {
-      var b = new Blob([e.data, "World"],{type: "text/plain"});
-      var fr = new FileReaderSync();
-      postMessage({text: fr.readAsText(b), type: b.type});
-    };
-  }
-  var b = new Blob([f,"f();"]);
-  var u = URL.createObjectURL(b);
-  var w = new Worker(u);
-  w.onmessage = function(e) {
-    URL.revokeObjectURL(u);
-    is(e.data.text, fr.result);
-    is(e.data.type, "text/plain");
-    SimpleTest.finish();
-  };
-  w.onerror = function(e) {
-    is(e.target, w);
-    ok(false, "Worker had an error: " + e.message);
-    SimpleTest.finish();
-  };
-
-  b = new Blob(["Hello, "]);
-  var fr = new FileReader();
-  fr.readAsText(new Blob([b, "World"],{}));
-  fr.onload = function() {
-    w.postMessage(b);
-  };
-  SimpleTest.waitForExplicitFinish();
-})();
-</script>
-</pre>
-</body>
-</html>
+<!--
+  Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!DOCTYPE html>
+<html>
+<!--
+Tests of DOM Worker Blob constructor
+-->
+<head>
+  <title>Test for DOM Worker Blob constructor</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+(function() {
+  onerror = function(e) {
+    ok(false, "Main Thread had an error: " + event.data);
+    SimpleTest.finish();
+  };
+  function f() {
+    onmessage = function(e) {
+      var b = new Blob([e.data, "World"],{type: "text/plain"});
+      var fr = new FileReaderSync();
+      postMessage({text: fr.readAsText(b), type: b.type});
+    };
+  }
+  var b = new Blob([f,"f();"]);
+  var u = URL.createObjectURL(b);
+  var w = new Worker(u);
+  w.onmessage = function(e) {
+    URL.revokeObjectURL(u);
+    is(e.data.text, fr.result);
+    is(e.data.type, "text/plain");
+    SimpleTest.finish();
+  };
+  w.onerror = function(e) {
+    is(e.target, w);
+    ok(false, "Worker had an error: " + e.message);
+    SimpleTest.finish();
+  };
+
+  b = new Blob(["Hello, "]);
+  var fr = new FileReader();
+  fr.readAsText(new Blob([b, "World"],{}));
+  fr.onload = function() {
+    w.postMessage(b);
+  };
+  SimpleTest.waitForExplicitFinish();
+})();
+</script>
+</pre>
+</body>
+</html>
diff --git a/dom/workers/test/test_importScripts.html b/dom/workers/test/test_importScripts.html
index e721891b3630..0e6a3dde5e5f 100644
--- a/dom/workers/test/test_importScripts.html
+++ b/dom/workers/test/test_importScripts.html
@@ -16,7 +16,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/workers/test/test_importScripts_mixedcontent.html b/dom/workers/test/test_importScripts_mixedcontent.html
index 8e5c1cc1637b..04281deaea5f 100644
--- a/dom/workers/test/test_importScripts_mixedcontent.html
+++ b/dom/workers/test/test_importScripts_mixedcontent.html
@@ -14,7 +14,7 @@
 <iframe></iframe>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/workers/test/test_longThread.html b/dom/workers/test/test_longThread.html
index 4dc7ab08b971..d65862c31c88 100644
--- a/dom/workers/test/test_longThread.html
+++ b/dom/workers/test/test_longThread.html
@@ -16,7 +16,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/workers/test/test_simpleThread.html b/dom/workers/test/test_simpleThread.html
index 8b18412d767a..abaae9059c16 100644
--- a/dom/workers/test/test_simpleThread.html
+++ b/dom/workers/test/test_simpleThread.html
@@ -16,7 +16,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/workers/test/test_threadErrors.html b/dom/workers/test/test_threadErrors.html
index 61ba167fe8ad..1eb33244ba51 100644
--- a/dom/workers/test/test_threadErrors.html
+++ b/dom/workers/test/test_threadErrors.html
@@ -16,7 +16,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/workers/test/test_threadTimeouts.html b/dom/workers/test/test_threadTimeouts.html
index 44cfc275cc3e..fcc207c794b8 100644
--- a/dom/workers/test/test_threadTimeouts.html
+++ b/dom/workers/test/test_threadTimeouts.html
@@ -16,7 +16,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/dom/xhr/tests/crashtests/1546185.html b/dom/xhr/tests/crashtests/1546185.html
index 38b40cb5a5a7..98eb673592e2 100644
--- a/dom/xhr/tests/crashtests/1546185.html
+++ b/dom/xhr/tests/crashtests/1546185.html
@@ -1,42 +1,42 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="UTF-8">
-<script>
-
-function boom() {
-  a = new AudioContext();
-  b = new XMLHttpRequest({});
-  c = new ArrayBuffer(34464);
-  d = new XMLHttpRequest();
-  try {
-    d.open('G', '', false);
-  } catch (e) {}
-  try {
-    x = new ArrayBuffer(1);
-    a.decodeAudioData(x, function() {}, function() {
-      try {
-        b.open('G', '', false);
-      } catch (e) {}
-      try {
-        b.send();
-      } catch (e) {}
-      try {
-        d.open('P', '', false);
-      } catch (e) {}
-      try {
-        d.send();
-      } catch (e) {}
-    })
-  } catch (e) {}
-  try {
-    d.send();
-  } catch (e) {}
-}
-
-boom();
-
-</script>
-</head>
-<body></body>
-</html>
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<script>
+
+function boom() {
+  a = new AudioContext();
+  b = new XMLHttpRequest({});
+  c = new ArrayBuffer(34464);
+  d = new XMLHttpRequest();
+  try {
+    d.open('G', '', false);
+  } catch (e) {}
+  try {
+    x = new ArrayBuffer(1);
+    a.decodeAudioData(x, function() {}, function() {
+      try {
+        b.open('G', '', false);
+      } catch (e) {}
+      try {
+        b.send();
+      } catch (e) {}
+      try {
+        d.open('P', '', false);
+      } catch (e) {}
+      try {
+        d.send();
+      } catch (e) {}
+    })
+  } catch (e) {}
+  try {
+    d.send();
+  } catch (e) {}
+}
+
+boom();
+
+</script>
+</head>
+<body></body>
+</html>
diff --git a/dom/xhr/tests/test_XHRResponseURL.html b/dom/xhr/tests/test_XHRResponseURL.html
index 88a43ef8464f..f6bd3f396417 100644
--- a/dom/xhr/tests/test_XHRResponseURL.html
+++ b/dom/xhr/tests/test_XHRResponseURL.html
@@ -46,7 +46,7 @@
   if (data.type === "todo_is") {
     SimpleTest.todo_is(data.actual, data.expected, data.message);
     window.postMessage("pong", "*");
-    
+
   }
 });
 
diff --git a/dom/xhr/tests/test_XHR_anon.html b/dom/xhr/tests/test_XHR_anon.html
index fea52d5e01f7..6747b6a918b9 100644
--- a/dom/xhr/tests/test_XHR_anon.html
+++ b/dom/xhr/tests/test_XHR_anon.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8">
   <title>Test for XMLHttpRequest with system privileges</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setup();">
@@ -11,7 +11,7 @@
 <iframe id="loader"></iframe>
 </p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="application/javascript">
diff --git a/dom/xhr/tests/test_XHR_onuploadprogress.html b/dom/xhr/tests/test_XHR_onuploadprogress.html
index d9fcd35851df..89426c034a07 100644
--- a/dom/xhr/tests/test_XHR_onuploadprogress.html
+++ b/dom/xhr/tests/test_XHR_onuploadprogress.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=743666">Mozilla Bug 743666</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/xhr/tests/test_XHR_system.html b/dom/xhr/tests/test_XHR_system.html
index 4f217443eb23..917a034ada62 100644
--- a/dom/xhr/tests/test_XHR_system.html
+++ b/dom/xhr/tests/test_XHR_system.html
@@ -3,14 +3,14 @@
 <head>
   <meta charset="utf-8">
   <title>Test for XMLHttpRequest with system privileges</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="runTests();">
 <p id="display">
 </p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="application/javascript">
diff --git a/dom/xhr/tests/test_XHR_timeout.html b/dom/xhr/tests/test_XHR_timeout.html
index f047b16e398c..e66ef1d30b1e 100644
--- a/dom/xhr/tests/test_XHR_timeout.html
+++ b/dom/xhr/tests/test_XHR_timeout.html
@@ -40,7 +40,7 @@
   }
   if (event.data.type == "ok") {
     SimpleTest.ok(event.data.bool, event.data.msg);
-    
+
   }
 });
   // Final test harness setup and launch.
diff --git a/dom/xhr/tests/test_html_in_xhr.html b/dom/xhr/tests/test_html_in_xhr.html
index dfbcccfb9870..2b27c61af650 100644
--- a/dom/xhr/tests/test_html_in_xhr.html
+++ b/dom/xhr/tests/test_html_in_xhr.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=651072">Mozilla Bug 651072</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
@@ -65,7 +65,7 @@
     }
   }
   xhr.open("GET", "file_html_in_xhr2.html");
-  xhr.send();   
+  xhr.send();
 }
 
 function testNonParsingText() {
@@ -79,13 +79,13 @@
   }
   xhr.open("GET", "file_html_in_xhr2.html");
   xhr.responseType = "text";
-  xhr.send();   
+  xhr.send();
 }
 
 function testSyncXHR() {
   xhr = new XMLHttpRequest();
   xhr.open("GET", "file_html_in_xhr3.html", false);
-  xhr.send();   
+  xhr.send();
   is(xhr.responseText, "SUCCESS\n", "responseText should be ready by now");
   is(xhr.responseXML, null, "responseXML should be null in the sync case");
   SimpleTest.finish();
diff --git a/dom/xhr/tests/test_sync_xhr_timer.xhtml b/dom/xhr/tests/test_sync_xhr_timer.xhtml
index 8ec4acc11fe5..823488889fce 100644
--- a/dom/xhr/tests/test_sync_xhr_timer.xhtml
+++ b/dom/xhr/tests/test_sync_xhr_timer.xhtml
@@ -12,7 +12,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/dom/xhr/tests/test_worker_xhr_responseURL.html b/dom/xhr/tests/test_worker_xhr_responseURL.html
index cec709c09273..89924e9815b3 100644
--- a/dom/xhr/tests/test_worker_xhr_responseURL.html
+++ b/dom/xhr/tests/test_worker_xhr_responseURL.html
@@ -52,7 +52,7 @@
     }
     if (data.status === "end") {
       SpecialPowers.removeObserver(requestObserver, "specialpowers-http-notify-request");
-      
+
     }
   }
 });
diff --git a/dom/xhr/tests/test_worker_xhr_timeout.html b/dom/xhr/tests/test_worker_xhr_timeout.html
index 390a26afaa28..3cbfcefb5e33 100644
--- a/dom/xhr/tests/test_worker_xhr_timeout.html
+++ b/dom/xhr/tests/test_worker_xhr_timeout.html
@@ -39,7 +39,7 @@
   }
   if (event.data.type == "ok") {
     SimpleTest.ok(event.data.bool, event.data.msg);
-    
+
   }
 });
   // Final test harness setup and launch.
diff --git a/dom/xhr/tests/test_xhr_send_readystate.html b/dom/xhr/tests/test_xhr_send_readystate.html
index adde86dd7f42..a810055a6454 100644
--- a/dom/xhr/tests/test_xhr_send_readystate.html
+++ b/dom/xhr/tests/test_xhr_send_readystate.html
@@ -13,7 +13,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=814064">Mozilla Bug 814064</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/editor/composer/res/EditorOverride.css b/editor/composer/res/EditorOverride.css
index 44f9e0228f6a..79765be1e52b 100644
--- a/editor/composer/res/EditorOverride.css
+++ b/editor/composer/res/EditorOverride.css
@@ -6,8 +6,8 @@
   -moz-user-modify: read-write;
 }
 
-/* Styles to alter look of things in the Editor content window 
- *  that should NOT be removed when we display in completely WYSIWYG 
+/* Styles to alter look of things in the Editor content window
+ *  that should NOT be removed when we display in completely WYSIWYG
  *  "Browser Preview" mode.
  *  Anything that should change, like appearance of table borders
  *  and Named Anchors, should be placed in EditorContent.css instead of here.
@@ -19,13 +19,13 @@
   cursor: text;
 }
 
-/* Use default arrow over objects with size that 
+/* Use default arrow over objects with size that
    are selected when clicked on.
    Override the browser's pointer cursor over links
 */
 
 img, img[usemap], area,
-object, object[usemap], 
+object, object[usemap],
 applet, hr, button, input, textarea, select,
 a:link img, a:visited img, a:active img,
 a[name]:-moz-only-whitespace {
@@ -41,7 +41,7 @@ a:link img, a:visited img {
   -moz-user-input: none;
 }
 
-/* We suppress user/author's prefs for link underline, 
+/* We suppress user/author's prefs for link underline,
    so we must set explicitly. This isn't good!
 */
 a:link {
diff --git a/gfx/layers/apz/test/mochitest/helper_hittest_sticky_bug1478304.html b/gfx/layers/apz/test/mochitest/helper_hittest_sticky_bug1478304.html
index 0decad7cca31..220c553a83be 100644
--- a/gfx/layers/apz/test/mochitest/helper_hittest_sticky_bug1478304.html
+++ b/gfx/layers/apz/test/mochitest/helper_hittest_sticky_bug1478304.html
@@ -12,8 +12,8 @@
       height: 200px;
       overflow-y: auto;
     }
-    #transform { 
-      transform: translate(0); 
+    #transform {
+      transform: translate(0);
     }
     #sticky {
       background-color: white;
diff --git a/gfx/layers/apz/test/mochitest/helper_scroll_inactive_zindex.html b/gfx/layers/apz/test/mochitest/helper_scroll_inactive_zindex.html
index 419f572ff0f6..93ba85809445 100644
--- a/gfx/layers/apz/test/mochitest/helper_scroll_inactive_zindex.html
+++ b/gfx/layers/apz/test/mochitest/helper_scroll_inactive_zindex.html
@@ -33,7 +33,7 @@
       height: 1000px; /* so the subframe has room to scroll */
       z-index: 2;
       background: linear-gradient(red, blue); /* so you can see it scroll */
-      transform: translateZ(0px); /* to force active layers */ 
+      transform: translateZ(0px); /* to force active layers */
       will-change: transform; /* to force active layers */
     }
   </style>
diff --git a/gfx/tests/mochitest/test_bug513439.html b/gfx/tests/mochitest/test_bug513439.html
index 317955f30d35..6672ae97aa23 100644
--- a/gfx/tests/mochitest/test_bug513439.html
+++ b/gfx/tests/mochitest/test_bug513439.html
@@ -12,7 +12,7 @@
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=513439">Mozilla Bug 513439</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script type="application/javascript">
diff --git a/js/src/tests/jsreftest.html b/js/src/tests/jsreftest.html
index 91b55403b8a0..6f2de27fa91a 100644
--- a/js/src/tests/jsreftest.html
+++ b/js/src/tests/jsreftest.html
@@ -2,10 +2,10 @@
   <head>
   <title>JavaScript Test Driver - reftests</title>
     <!--
-      This test driver is to be invoked using 
+      This test driver is to be invoked using
       jsreftest.html?test=path-to-test-js
 
-      It will load the associated test javascript file 
+      It will load the associated test javascript file
       using the default script language attributes, then execute the
       test.
     -->
diff --git a/layout/mathml/mathml.css b/layout/mathml/mathml.css
index 3b37bb02a0c3..1a948f416272 100644
--- a/layout/mathml/mathml.css
+++ b/layout/mathml/mathml.css
@@ -255,7 +255,7 @@ mstyle[displaystyle="true" i] {
 /*
    The mfrac element sets displaystyle to "false", or if it was already false
    increments scriptlevel by 1, within numerator and denominator.
-*/   
+*/
 mfrac > * {
     -moz-script-level: auto;
     -moz-math-display: inline;
diff --git a/layout/style/res/counterstyles.css b/layout/style/res/counterstyles.css
index 4bcdcf02ea5e..e665e02ec340 100644
--- a/layout/style/res/counterstyles.css
+++ b/layout/style/res/counterstyles.css
@@ -315,7 +315,7 @@
 
 /* Ge'ez set of Ethiopic ordered list. There are other locale-dependent sets.
  * For the time being, let's implement two Ge'ez sets only
- * per Momoi san's suggestion in bug 102252. 
+ * per Momoi san's suggestion in bug 102252.
  * For details, refer to http://www.ethiopic.org/Collation/OrderedLists.html. */
 @counter-style -moz-ethiopic-halehame {
   system: alphabetic;
diff --git a/netwerk/test/mochitests/test_different_domain_in_hierarchy.html b/netwerk/test/mochitests/test_different_domain_in_hierarchy.html
index 2306b554e8c4..33164ce1578f 100644
--- a/netwerk/test/mochitests/test_different_domain_in_hierarchy.html
+++ b/netwerk/test/mochitests/test_different_domain_in_hierarchy.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test cookie requests from within a window hierarchy of different base domains</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://example.org/tests/netwerk/test/mochitests/file_domain_hierarchy_inner.html', 3, 3)">
diff --git a/netwerk/test/mochitests/test_differentdomain.html b/netwerk/test/mochitests/test_differentdomain.html
index fee454195516..b5444c32c390 100644
--- a/netwerk/test/mochitests/test_differentdomain.html
+++ b/netwerk/test/mochitests/test_differentdomain.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://example.com/tests/netwerk/test/mochitests/file_domain_inner.html', 3, 2)">
diff --git a/netwerk/test/mochitests/test_loadflags.html b/netwerk/test/mochitests/test_loadflags.html
index 33ac3b20a4ce..fba93102ea85 100644
--- a/netwerk/test/mochitests/test_loadflags.html
+++ b/netwerk/test/mochitests/test_loadflags.html
@@ -3,7 +3,7 @@
 <head>
   <title>Test for Cross domain access to properties</title>
   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <!--
diff --git a/netwerk/test/mochitests/test_rel_preconnect.html b/netwerk/test/mochitests/test_rel_preconnect.html
index e16add7c7b53..47a55f53864f 100644
--- a/netwerk/test/mochitests/test_rel_preconnect.html
+++ b/netwerk/test/mochitests/test_rel_preconnect.html
@@ -18,7 +18,7 @@
 async function doTest()
 {
   await SpecialPowers.setBoolPref("network.http.debug-observations", true);
-  
+
   observer = SpecialPowers.wrapCallback(function(subject, topic, data) {
     remainder--;
     ok(true, "observed remainder = " + remainder);
diff --git a/netwerk/test/mochitests/test_same_base_domain.html b/netwerk/test/mochitests/test_same_base_domain.html
index 45d64d42efe6..96775471c97a 100644
--- a/netwerk/test/mochitests/test_same_base_domain.html
+++ b/netwerk/test/mochitests/test_same_base_domain.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://test1.example.org/tests/netwerk/test/mochitests/file_domain_inner.html', 5, 2)">
diff --git a/netwerk/test/mochitests/test_same_base_domain_2.html b/netwerk/test/mochitests/test_same_base_domain_2.html
index 98a220cfc166..2e1608ae9b71 100644
--- a/netwerk/test/mochitests/test_same_base_domain_2.html
+++ b/netwerk/test/mochitests/test_same_base_domain_2.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://test1.example.org/tests/netwerk/test/mochitests/file_subdomain_inner.html', 5, 2)">
diff --git a/netwerk/test/mochitests/test_same_base_domain_3.html b/netwerk/test/mochitests/test_same_base_domain_3.html
index 1b5b7227e5d7..ef9349a7c01c 100644
--- a/netwerk/test/mochitests/test_same_base_domain_3.html
+++ b/netwerk/test/mochitests/test_same_base_domain_3.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://example.org/tests/netwerk/test/mochitests/file_subdomain_inner.html', 5, 2)">
diff --git a/netwerk/test/mochitests/test_same_base_domain_4.html b/netwerk/test/mochitests/test_same_base_domain_4.html
index b47ff791c3ab..87fbb1c720ff 100644
--- a/netwerk/test/mochitests/test_same_base_domain_4.html
+++ b/netwerk/test/mochitests/test_same_base_domain_4.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://mochi.test:8888/tests/netwerk/test/mochitests/file_localhost_inner.html', 5, 2)">
diff --git a/netwerk/test/mochitests/test_same_base_domain_5.html b/netwerk/test/mochitests/test_same_base_domain_5.html
index ecfd56ea5ab0..ee754d6f8e30 100644
--- a/netwerk/test/mochitests/test_same_base_domain_5.html
+++ b/netwerk/test/mochitests/test_same_base_domain_5.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://sub1.test1.example.org/tests/netwerk/test/mochitests/file_subdomain_inner.html', 5, 2)">
diff --git a/netwerk/test/mochitests/test_same_base_domain_6.html b/netwerk/test/mochitests/test_same_base_domain_6.html
index b988b24fa254..195c38657b10 100644
--- a/netwerk/test/mochitests/test_same_base_domain_6.html
+++ b/netwerk/test/mochitests/test_same_base_domain_6.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="runThisTest()">
diff --git a/netwerk/test/mochitests/test_samedomain.html b/netwerk/test/mochitests/test_samedomain.html
index c05a02febd4a..82aace8babe1 100644
--- a/netwerk/test/mochitests/test_samedomain.html
+++ b/netwerk/test/mochitests/test_samedomain.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Test for Cross domain access to properties</title>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="setupTest('http://example.org/tests/netwerk/test/mochitests/file_domain_inner.html', 5, 2)">
diff --git a/security/manager/ssl/tests/mochitest/mixedcontent/iframe.html b/security/manager/ssl/tests/mochitest/mixedcontent/iframe.html
index e8b566c2c85a..064783e0cb13 100644
--- a/security/manager/ssl/tests/mochitest/mixedcontent/iframe.html
+++ b/security/manager/ssl/tests/mochitest/mixedcontent/iframe.html
@@ -4,7 +4,7 @@
 </head>
 
 <body>
-  This is frame 1: 
+  This is frame 1:
   <script>
     "use strict";
     // eslint-disable-next-line no-unsanitized/method
diff --git a/security/manager/ssl/tests/mochitest/mixedcontent/iframe2.html b/security/manager/ssl/tests/mochitest/mixedcontent/iframe2.html
index ea3ca0b10e12..37fc604ea6a9 100644
--- a/security/manager/ssl/tests/mochitest/mixedcontent/iframe2.html
+++ b/security/manager/ssl/tests/mochitest/mixedcontent/iframe2.html
@@ -4,7 +4,7 @@
 </head>
 
 <body>
-  This is frame 2: 
+  This is frame 2:
   <script>
     "use strict";
     // eslint-disable-next-line no-unsanitized/method
diff --git a/security/manager/ssl/tests/mochitest/stricttransportsecurity/nosts_bootstrap.html b/security/manager/ssl/tests/mochitest/stricttransportsecurity/nosts_bootstrap.html
index 7b3eccf60904..e528a40abbe0 100644
--- a/security/manager/ssl/tests/mochitest/stricttransportsecurity/nosts_bootstrap.html
+++ b/security/manager/ssl/tests/mochitest/stricttransportsecurity/nosts_bootstrap.html
@@ -17,7 +17,7 @@
   </head>
   <body>
     <!-- This frame should be loaded over HTTPS to set the STS header. -->
-    This frame was loaded using 
+    This frame was loaded using
     <script>
       "use strict";
       // eslint-disable-next-line no-unsanitized/method
diff --git a/security/manager/ssl/tests/mochitest/stricttransportsecurity/plain_bootstrap.html b/security/manager/ssl/tests/mochitest/stricttransportsecurity/plain_bootstrap.html
index 7b3eccf60904..e528a40abbe0 100644
--- a/security/manager/ssl/tests/mochitest/stricttransportsecurity/plain_bootstrap.html
+++ b/security/manager/ssl/tests/mochitest/stricttransportsecurity/plain_bootstrap.html
@@ -17,7 +17,7 @@
   </head>
   <body>
     <!-- This frame should be loaded over HTTPS to set the STS header. -->
-    This frame was loaded using 
+    This frame was loaded using
     <script>
       "use strict";
       // eslint-disable-next-line no-unsanitized/method
diff --git a/security/manager/ssl/tests/mochitest/stricttransportsecurity/subdom_bootstrap.html b/security/manager/ssl/tests/mochitest/stricttransportsecurity/subdom_bootstrap.html
index cf08f8883d35..9fca3457e49c 100644
--- a/security/manager/ssl/tests/mochitest/stricttransportsecurity/subdom_bootstrap.html
+++ b/security/manager/ssl/tests/mochitest/stricttransportsecurity/subdom_bootstrap.html
@@ -17,7 +17,7 @@
   </head>
   <body>
     <!-- This frame should be loaded over HTTPS to set the STS header. -->
-    This frame was loaded using 
+    This frame was loaded using
     <script>
       "use strict";
       // eslint-disable-next-line no-unsanitized/method
diff --git a/testing/marionette/chrome/test2.xhtml b/testing/marionette/chrome/test2.xhtml
index a02173c9c32c..d6b72dab45a9 100644
--- a/testing/marionette/chrome/test2.xhtml
+++ b/testing/marionette/chrome/test2.xhtml
@@ -15,6 +15,6 @@
     <input xmlns="http://www.w3.org/1999/xhtml" id="textInput2"  size="6" value="test" label="input" />
     <input xmlns="http://www.w3.org/1999/xhtml" id="textInput3" class="asdf" size="6" value="test" label="input" />
   </vbox>
-     
+
 </dialog>
 </window>
diff --git a/testing/marionette/harness/marionette_harness/www/bug814037.html b/testing/marionette/harness/marionette_harness/www/bug814037.html
index d8ff354182bb..47c2968163b3 100644
--- a/testing/marionette/harness/marionette_harness/www/bug814037.html
+++ b/testing/marionette/harness/marionette_harness/www/bug814037.html
@@ -1,56 +1,56 @@
-<html>
-<head>
-<meta name="viewport" content="minimum-scale=1,width=device-width">
-<style>
-body {
-	width: 100%;
-	margin: 0px;
-	transition: transform 300ms ease;
-	overflow-x: hidden;
-}
-
-body.section1 {
-	transform: translateX(0%);
-}
-
-body.section2 {
-	transform: translateX(-100%);
-}
-
-section {
-	width: 100%;
-	height: 100%;
-	position: absolute;
-}
-
-#section1 {
-	left: 0px;	
-}
-
-#section2 {
-	left: 100%;
-}
-.mypossie {
-  position:absolute;
-  left: -1000px;
-}
-</style>
-
-</head>
-	<body class="section1">
-		<section id="section1">
-			<div id="assertMe1">
-				<p>Section 1</p>
-			</div>
-			<button id="b1" onclick="var sect = document.getElementsByTagName('body')[0]; sect.classList.add('section2'); sect.classList.remove('section1');">Show section 2</button>
-		</section>
-
-		<section id="section2">
-			<div id="assertMe2">
-				<p>Section 2</p>
-			</div>
-			<button id="b2" onclick="var sect = document.getElementsByTagName('body')[0]; sect.classList.add('section1'); sect.classList.remove('section2'); ">Show section 1</button>
-		</section>
-    <section class='mypossie'>out in left field!</section>
-	</body>
-</html>
+<html>
+<head>
+<meta name="viewport" content="minimum-scale=1,width=device-width">
+<style>
+body {
+	width: 100%;
+	margin: 0px;
+	transition: transform 300ms ease;
+	overflow-x: hidden;
+}
+
+body.section1 {
+	transform: translateX(0%);
+}
+
+body.section2 {
+	transform: translateX(-100%);
+}
+
+section {
+	width: 100%;
+	height: 100%;
+	position: absolute;
+}
+
+#section1 {
+	left: 0px;	
+}
+
+#section2 {
+	left: 100%;
+}
+.mypossie {
+  position:absolute;
+  left: -1000px;
+}
+</style>
+
+</head>
+	<body class="section1">
+		<section id="section1">
+			<div id="assertMe1">
+				<p>Section 1</p>
+			</div>
+			<button id="b1" onclick="var sect = document.getElementsByTagName('body')[0]; sect.classList.add('section2'); sect.classList.remove('section1');">Show section 2</button>
+		</section>
+
+		<section id="section2">
+			<div id="assertMe2">
+				<p>Section 2</p>
+			</div>
+			<button id="b2" onclick="var sect = document.getElementsByTagName('body')[0]; sect.classList.add('section1'); sect.classList.remove('section2'); ">Show section 1</button>
+		</section>
+    <section class='mypossie'>out in left field!</section>
+	</body>
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/deletingFrame.html b/testing/marionette/harness/marionette_harness/www/deletingFrame.html
index af226e959539..ae84a47a1426 100644
--- a/testing/marionette/harness/marionette_harness/www/deletingFrame.html
+++ b/testing/marionette/harness/marionette_harness/www/deletingFrame.html
@@ -1,30 +1,30 @@
-<html>
-<head>
-    <title></title>
-</head>
-        <script type="text/javascript">
-            function remove() {
-                let iframe = document.getElementById("iframe1");
-                let myDiv = document.getElementById("myDiv");
-                myDiv.removeChild(iframe);
-            }
-            function addBack() {
-                let iframe = '<iframe src="formPage.html" marginheight="0" marginwidth="0" topmargin="0" leftmargin="600" allowtransparency="true" frameborder="0" height="600" scrolling="no" width="120" id="iframe1"></iframe>';
-                let myDiv2 = document.getElementById("myDiv2");
-                // eslint-disable-next-line no-unsanitized/property
-                myDiv2.innerHTML = iframe;
-            }
-        </script>
-<body>
-
-<div id='myDiv'>
-<iframe src="formPage.html" marginheight="0" marginwidth="0" topmargin="0" leftmargin="0" allowtransparency="true"
-        frameborder="1" height="900" scrolling="no" width="500" id="iframe1"></iframe>
-
-        </div>
-<div id='myDiv2'>
-
-</div>
-<input type='button' id='addBackFrame' value='Add back frame' onclick='addBack();' />
-</body>
-</html>
+<html>
+<head>
+    <title></title>
+</head>
+        <script type="text/javascript">
+            function remove() {
+                let iframe = document.getElementById("iframe1");
+                let myDiv = document.getElementById("myDiv");
+                myDiv.removeChild(iframe);
+            }
+            function addBack() {
+                let iframe = '<iframe src="formPage.html" marginheight="0" marginwidth="0" topmargin="0" leftmargin="600" allowtransparency="true" frameborder="0" height="600" scrolling="no" width="120" id="iframe1"></iframe>';
+                let myDiv2 = document.getElementById("myDiv2");
+                // eslint-disable-next-line no-unsanitized/property
+                myDiv2.innerHTML = iframe;
+            }
+        </script>
+<body>
+
+<div id='myDiv'>
+<iframe src="formPage.html" marginheight="0" marginwidth="0" topmargin="0" leftmargin="0" allowtransparency="true"
+        frameborder="1" height="900" scrolling="no" width="500" id="iframe1"></iframe>
+
+        </div>
+<div id='myDiv2'>
+
+</div>
+<input type='button' id='addBackFrame' value='Add back frame' onclick='addBack();' />
+</body>
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/empty.html b/testing/marionette/harness/marionette_harness/www/empty.html
index 0a9d08cd6229..646edf9a7275 100644
--- a/testing/marionette/harness/marionette_harness/www/empty.html
+++ b/testing/marionette/harness/marionette_harness/www/empty.html
@@ -9,4 +9,4 @@
 </head>
 <body>
 </body>
-</html> 
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/formPage.html b/testing/marionette/harness/marionette_harness/www/formPage.html
index 0d7229d83957..9194db34273c 100644
--- a/testing/marionette/harness/marionette_harness/www/formPage.html
+++ b/testing/marionette/harness/marionette_harness/www/formPage.html
@@ -100,7 +100,7 @@
 
     <p id="cheeseLiker">I like cheese</p>
     <input type="submit" value="Click!"/>
-    
+
     <input type="radio" id="lone_disabled_selected_radio" name="not_a_snack" value="cumberland" checked="checked" disabled="disabled" />Cumberland sausage
 </form>
 
diff --git a/testing/marionette/harness/marionette_harness/www/test.html b/testing/marionette/harness/marionette_harness/www/test.html
index 87333ab34609..70e42c2d06ab 100644
--- a/testing/marionette/harness/marionette_harness/www/test.html
+++ b/testing/marionette/harness/marionette_harness/www/test.html
@@ -35,4 +35,4 @@ <h1 id="testh1">Test Page</h1>
   <input name="myCheckBox" type="checkbox" />
   <input id="createDivButton" type="button" value="create a div" onclick="addDelayedElement()" />
 </body>
-</html> 
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/test_iframe.html b/testing/marionette/harness/marionette_harness/www/test_iframe.html
index 7ed88665c5db..b323ace6798b 100644
--- a/testing/marionette/harness/marionette_harness/www/test_iframe.html
+++ b/testing/marionette/harness/marionette_harness/www/test_iframe.html
@@ -13,4 +13,4 @@ <h1 id="iframe_page_heading">This is the heading</h1>
   <iframe src="test.html" id="test_iframe"></iframe>
   <iframe src="test.html" id="test_iframe" name="test_iframe_name"></iframe>
 </body>
-</html> 
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/test_nested_iframe.html b/testing/marionette/harness/marionette_harness/www/test_nested_iframe.html
index b4482183eaf3..49ac1b0ba595 100644
--- a/testing/marionette/harness/marionette_harness/www/test_nested_iframe.html
+++ b/testing/marionette/harness/marionette_harness/www/test_nested_iframe.html
@@ -8,6 +8,6 @@
 <title>Marionette IFrame Test</title>
 </head>
 <body>
-  <iframe src="test_inner_iframe.html" id="test_iframe"></iframe> 
+  <iframe src="test_inner_iframe.html" id="test_iframe"></iframe>
 </body>
-</html> 
+</html>
diff --git a/testing/marionette/harness/marionette_harness/www/test_oop_1.html b/testing/marionette/harness/marionette_harness/www/test_oop_1.html
index 62e4ad0473bb..b9789fedf4c7 100644
--- a/testing/marionette/harness/marionette_harness/www/test_oop_1.html
+++ b/testing/marionette/harness/marionette_harness/www/test_oop_1.html
@@ -9,7 +9,7 @@
 </head>
 <body>
   <h1 id="testh1">OOP Test Frame 1</h1>
-  Hello!  
+  Hello!
 </body>
 </html>
 
diff --git a/testing/marionette/harness/marionette_harness/www/test_oop_2.html b/testing/marionette/harness/marionette_harness/www/test_oop_2.html
index 05aca5adba86..c11864ab297f 100644
--- a/testing/marionette/harness/marionette_harness/www/test_oop_2.html
+++ b/testing/marionette/harness/marionette_harness/www/test_oop_2.html
@@ -9,7 +9,7 @@
 </head>
 <body>
   <h1 id="testh1">OOP Test Frame 2</h1>
-  Hello!  
+  Hello!
 </body>
 </html>
 
diff --git a/testing/mochitest/chrome/test_sample.xhtml b/testing/mochitest/chrome/test_sample.xhtml
index 8dfe5d2c1696..041a910aa958 100644
--- a/testing/mochitest/chrome/test_sample.xhtml
+++ b/testing/mochitest/chrome/test_sample.xhtml
@@ -14,7 +14,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=8675309
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=8675309">Mozilla Bug 8675309</a>
 <p id="display"></p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 </pre>
diff --git a/testing/mochitest/chrome/test_sanityEventUtils.xhtml b/testing/mochitest/chrome/test_sanityEventUtils.xhtml
index 6521386852af..9b3ba7b34df8 100644
--- a/testing/mochitest/chrome/test_sanityEventUtils.xhtml
+++ b/testing/mochitest/chrome/test_sanityEventUtils.xhtml
@@ -65,13 +65,13 @@
       { type    : "Files",
         data    : null }
     ]];
-    
+
     function doOnDrop(aEvent) {
       gData = aEvent.dataTransfer.getData(dragDrop[0][0].type);
       aEvent.preventDefault(); // cancels event and keeps dropEffect
                                // as was before event.
     }
-    
+
     function doOnDragStart(aEvent) {
       var dt = aEvent.dataTransfer;
       switch (aEvent.currentTarget.id) {
@@ -93,7 +93,7 @@
       aEvent.dataTransfer.effectAllowed = "all";
       aEvent.preventDefault(); // sets target this element
     }
-    
+
     function doOnDragOver(aEvent) {
       gOver = true;
       if (gSetDropEffect)
diff --git a/testing/mochitest/chrome/test_sanityException.xhtml b/testing/mochitest/chrome/test_sanityException.xhtml
index ccaa641460c5..f42620bbcb81 100644
--- a/testing/mochitest/chrome/test_sanityException.xhtml
+++ b/testing/mochitest/chrome/test_sanityException.xhtml
@@ -17,7 +17,7 @@ SimpleTest.expectUncaughtException();
 ok(true, "a call to ok");
 throw "this is a deliberately thrown exception";
 
-]]></script> 
+]]></script>
 </body>
 
 </window>
diff --git a/testing/mochitest/chrome/test_sanityException2.xhtml b/testing/mochitest/chrome/test_sanityException2.xhtml
index f860d7720a6a..aea31fbe3bfa 100644
--- a/testing/mochitest/chrome/test_sanityException2.xhtml
+++ b/testing/mochitest/chrome/test_sanityException2.xhtml
@@ -23,7 +23,7 @@ SimpleTest.executeSoon(function() {
   SimpleTest.finish();
 });
 
-]]></script> 
+]]></script>
 </body>
 
 </window>
diff --git a/testing/mochitest/chrome/test_sanityManifest_pf.xhtml b/testing/mochitest/chrome/test_sanityManifest_pf.xhtml
index 2e3e5753780f..0f8c5e0a482d 100644
--- a/testing/mochitest/chrome/test_sanityManifest_pf.xhtml
+++ b/testing/mochitest/chrome/test_sanityManifest_pf.xhtml
@@ -14,7 +14,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=670817
 <script type="application/javascript"><![CDATA[
 ok(true, "a true call to ok");
 ok(false, "a false call to ok");
-]]></script> 
+]]></script>
 </body>
 
 </window>
diff --git a/testing/mochitest/harness.xhtml b/testing/mochitest/harness.xhtml
index 64f2f623a6d0..7bb94c64bf39 100644
--- a/testing/mochitest/harness.xhtml
+++ b/testing/mochitest/harness.xhtml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
-<?xml-stylesheet href="chrome://mochikit/content/static/harness.css" 
+<?xml-stylesheet href="chrome://mochikit/content/static/harness.css"
                  type="text/css"?>
 
 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
@@ -23,7 +23,7 @@ function loadTests()
   window.removeEventListener("load", loadTests, false);
   getTestList({}, linkAndHookup);
 }
- 
+
 function linkAndHookup(links) {
   // load server.js in so we can share template functions
   var scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
@@ -49,7 +49,7 @@ function linkAndHookup(links) {
   ]]>
   </script>
 
-  <vbox>   
+  <vbox>
     <button label="Run Chrome Tests" id="runtests" flex="1"/>
 
     <body xmlns="http://www.w3.org/1999/xhtml" id="xulharness">
diff --git a/testing/mochitest/static/harness.css b/testing/mochitest/static/harness.css
index d6652c07169b..d09b89151cb7 100644
--- a/testing/mochitest/static/harness.css
+++ b/testing/mochitest/static/harness.css
@@ -7,7 +7,7 @@ body   {
 }
 
 #xulharness {
-  position: fixed; 
+  position: fixed;
   top: 30px;
   bottom: 0;
   right: 0px;
@@ -30,7 +30,7 @@ li, li.test, li.dir {
   line-height: 15px;
 }
 
-ul { 
+ul {
   list-style: none;
   margin: 0;
   margin-left: 1em;
@@ -38,7 +38,7 @@ ul {
   border: none;
 }
 
-ul.top { 
+ul.top {
   padding: 0;
   padding-left: 1em;
 }
@@ -57,7 +57,7 @@ a#runtests, a {
   color: #3333cc;
 }
 
-li.non-test a { 
+li.non-test a {
   color: #999999;
 }
 
diff --git a/testing/mochitest/tests/Harness_sanity/test_sanity.html b/testing/mochitest/tests/Harness_sanity/test_sanity.html
index f413578ccb35..887f08f46c8c 100644
--- a/testing/mochitest/tests/Harness_sanity/test_sanity.html
+++ b/testing/mochitest/tests/Harness_sanity/test_sanity.html
@@ -15,7 +15,7 @@
   <input id="testKeyEvent4" onkeydown="return false;" onkeypress="press4 = true">
 </p>
 <div id="content" style="display: none">
-  
+
 </div>
 <pre id="test">
 <script class="testbody" type="text/javascript">
diff --git a/testing/mozbase/mozlog/mozlog/formatters/html/style.css b/testing/mozbase/mozlog/mozlog/formatters/html/style.css
index 5d3bd9ffc2b0..427742dd1f37 100644
--- a/testing/mozbase/mozlog/mozlog/formatters/html/style.css
+++ b/testing/mozbase/mozlog/mozlog/formatters/html/style.css
@@ -60,11 +60,11 @@ span.unexpected_pass, .unexpected_pass .col-result {
 
 /******************************
  * RESULTS TABLE
- * 
+ *
  * 1. Table Layout
  * 2. Debug
  * 3. Sorting items
- * 
+ *
  ******************************/
 
 /*------------------
diff --git a/xpfe/appshell/test/test_windowlessBrowser.xhtml b/xpfe/appshell/test/test_windowlessBrowser.xhtml
index 02e7c64dcbd5..c5c544efcd96 100644
--- a/xpfe/appshell/test/test_windowlessBrowser.xhtml
+++ b/xpfe/appshell/test/test_windowlessBrowser.xhtml
@@ -41,9 +41,9 @@ function testWindowlessBrowser(chromePrivileged) {
   ok(win.screenY == 0, "window.screenY should be 0 in a windowless browser");
   ok(win.outerWidth == 0, "window.outerWidth should be 0 in a windowless browser");
   ok(win.outerHeight == 0, "window.outerHeight should be 0 in a windowless browser");
-  
+
   ok(win.external, "window.external should be defined");
-  
+
   var exception;
 
   try {
@@ -51,7 +51,7 @@ function testWindowlessBrowser(chromePrivileged) {
   } catch(e) {
     exception = e;
   }
-  
+
   ok(!exception, "window.external.AddSearchProvider should be ignore withour raising an exception");
 
   webNav.close();