Use a new message for roll_forward update (#4623)

This new messages distinguishes the roll_forward state from the newly
installed update state. This is useful for the YTS tests to verify the
correct updater states.

b/382561808

Change-Id: I829c490ba22a2fbfe03276864ebdc6e0350ba243

chrome/updater/updater_module.cc

@@ -108,11 +108,11 @@ void Observer::OnEvent(Events event, const std::string& id) {
           updater_status_string_map.find(status_iterator->second)->second);
     }
     if (crx_update_item_.state == ComponentState::kUpdateError) {
-      // QUICK_ROLL_FORWARD update, adjust the message to "Update installed,
+      // QUICK_ROLL_FORWARD update, adjust the message to "Updated locally,
       // pending restart"
       if (crx_update_item_.error_code == static_cast<int>(UpdateCheckError::QUICK_ROLL_FORWARD)) {
         status = std::string(
-            updater_status_string_map.at(UpdaterStatus::kUpdated));
+            updater_status_string_map.at(UpdaterStatus::kRolledForward));
       } else {
         status +=
             ", error category is " + std::to_string(static_cast<int>(crx_update_item_.error_category)) +

chrome/updater/updater_module.h

@@ -46,6 +46,7 @@ enum class UpdaterStatus {
   kUpdatingDiff,
   kUpdating,
   kUpdated,
+  kRolledForward,
   kUpToDate,
   kUpdateError,
   kUninstalled,
@@ -83,6 +84,7 @@ const std::map<UpdaterStatus, const char*> updater_status_string_map = {
     {UpdaterStatus::kUpdatingDiff, "Installing delta update"},
     {UpdaterStatus::kUpdating, "Installing update"},
     {UpdaterStatus::kUpdated, "Update installed, pending restart"},
+    {UpdaterStatus::kRolledForward, "Updated locally, pending restart"},
     {UpdaterStatus::kUpToDate, "App is up to date"},
     {UpdaterStatus::kUpdateError, "Failed to update"},
     {UpdaterStatus::kUninstalled, "Update uninstalled"},