Disable DiscardableMemoryBackingFieldTrialTest (#2254)

b/316404192

base/BUILD.gn

@@ -3125,7 +3125,6 @@ test("base_unittests") {
     "allocator/dispatcher/testing/dispatcher_test.h",
     "allocator/dispatcher/testing/observer_mock.h",
     "allocator/dispatcher/testing/tools.h",
-
     "allocator/dispatcher/tls_unittest.cc",
     "allocator/partition_allocator/pointers/raw_ptr_test_support.h",
 
@@ -3196,7 +3195,6 @@ test("base_unittests") {
     # "files/file_util_unittest.cc",
     "files/important_file_writer_cleaner_unittest.cc",
     "files/important_file_writer_unittest.cc",
-
     "files/memory_mapped_file_unittest.cc",
     "files/safe_base_name_unittest.cc",
 
@@ -3228,7 +3226,6 @@ test("base_unittests") {
     "i18n/number_formatting_unittest.cc",
     "i18n/rtl_unittest.cc",
     "i18n/streaming_utf8_validator_unittest.cc",
-
     "i18n/string_search_unittest.cc",
     "i18n/time_formatting_unittest.cc",
     "i18n/timezone_unittest.cc",
@@ -3247,11 +3244,9 @@ test("base_unittests") {
 
     # "logging_unittest.cc",
     "memory/aligned_memory_unittest.cc",
-
-    # "memory/discardable_memory_backing_field_trial_unittest.cc",
+    "memory/discardable_memory_backing_field_trial_unittest.cc",
     "memory/discardable_shared_memory_unittest.cc",
     "memory/memory_pressure_listener_unittest.cc",
-
     "memory/platform_shared_memory_region_unittest.cc",
     "memory/ptr_util_unittest.cc",
     "memory/raw_ptr_asan_unittest.cc",
@@ -3311,7 +3306,6 @@ test("base_unittests") {
     "power_monitor/power_monitor_unittest.cc",
     "power_monitor/timer_sampling_event_source_unittest.cc",
     "process/environment_internal_unittest.cc",
-
     "process/memory_unittest.cc",
     "process/process_metrics_unittest.cc",
     "process/process_unittest.cc",
@@ -3526,6 +3520,7 @@ test("base_unittests") {
       # Since Starboard lacks abstractions for multi-processing, and shared
       # memory is solely used for inter-process communication, we disable
       # shared memory and process code in Cobalt.
+      "memory/discardable_memory_backing_field_trial_unittest.cc",
       "memory/discardable_shared_memory_unittest.cc",
       "memory/memory_pressure_listener_unittest.cc",
       "memory/platform_shared_memory_region_unittest.cc",