scheduler: Throttle timers in out-of-view frames

third_party/WebKit/Source/platform/blink_platform.gypi

 {
   'includes': [
     'platform_generated.gypi',
   ],
   'variables': {
     'platform_files': [
       'AsyncFileSystemCallbacks.h',
       'CalculationValue.h',
       'CheckedInt.h',
       'ContentDecryptionModuleResult.h',
@@ skipping 1317 matching lines @@
       'scheduler/child/scheduler_tqm_delegate_impl_unittest.cc',
       'scheduler/child/webthread_impl_for_worker_scheduler_unittest.cc',
       'scheduler/child/worker_scheduler_impl_unittest.cc',
       'scheduler/renderer/auto_advancing_virtual_time_domain_unittest.cc',
       'scheduler/renderer/deadline_task_runner_unittest.cc',
       'scheduler/renderer/idle_time_estimator_unittest.cc',
       'scheduler/renderer/renderer_scheduler_impl_unittest.cc',
       'scheduler/renderer/task_cost_estimator_unittest.cc',
       'scheduler/renderer/throttling_helper_unittest.cc',
       'scheduler/renderer/user_model_unittest.cc',
+      'scheduler/renderer/web_frame_scheduler_impl_unittest.cc',
       'scheduler/renderer/web_view_scheduler_impl_unittest.cc',
       'scheduler/renderer/webthread_impl_for_renderer_scheduler_unittest.cc',
       'scroll/ScrollableAreaTest.cpp',
       'testing/ArenaTestHelpers.h',
       'testing/TreeTestHelpers.cpp',
       'testing/TreeTestHelpers.h',
       'text/BidiResolverTest.cpp',
       'text/CharacterTest.cpp',
       'text/DateTimeFormatTest.cpp',
       'text/HyphenationTest.cpp',
@@ skipping 110 matching lines @@
       ['use_default_render_theme==1',
         {
           'platform_test_files': [
             'scroll/ScrollbarThemeAuraTest.cpp',
           ],
         }
       ],
     ],
   },
 }