Add UMA metrics for root scroller intervention to track forcing passive breakage.

third_party/WebKit/Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/EffectModel.idl',
             'animation/AnimationEffectReadOnly.idl',
@@ skipping 2718 matching lines @@
             'dom/shadow/InsertionPoint.h',
             'dom/shadow/SelectRuleFeatureSet.cpp',
             'dom/shadow/SelectRuleFeatureSet.h',
             'dom/shadow/ShadowRoot.cpp',
             'dom/shadow/ShadowRoot.h',
             'dom/shadow/ShadowRootRareDataV0.h',
             'dom/shadow/SlotAssignment.cpp',
             'dom/shadow/SlotAssignment.h',
             'dom/shadow/SlotScopedTraversal.cpp',
             'dom/shadow/SlotScopedTraversal.h',
+            'events/AddEventListenerOptionsResolved.cpp',
+            'events/AddEventListenerOptionsResolved.h',
             'events/AnimationEvent.cpp',
             'events/AnimationEvent.h',
             'events/AnimationPlayerEvent.cpp',
             'events/AnimationPlayerEvent.h',
             'events/ApplicationCacheErrorEvent.cpp',
             'events/ApplicationCacheErrorEvent.h',
             'events/BeforeTextInsertedEvent.cpp',
             'events/BeforeTextInsertedEvent.h',
             'events/BeforeUnloadEvent.cpp',
             'events/BeforeUnloadEvent.h',
@@ skipping 1315 matching lines @@
             'editing/VisibleSelectionTest.cpp',
             'editing/VisibleUnitsTest.cpp',
             'editing/serializers/StyledMarkupSerializerTest.cpp',
             'editing/spellcheck/SpellCheckerTest.cpp',
             'editing/state_machines/BackspaceStateMachineTest.cpp',
             'editing/state_machines/BackwardGraphemeBoundaryStateMachineTest.cpp',
             'editing/state_machines/ForwardGraphemeBoundaryStateMachineTest.cpp',
             'editing/state_machines/StateMachineTestUtil.cpp',
             'editing/state_machines/StateMachineUtilTest.cpp',
             'events/EventPathTest.cpp',
+            'events/EventTargetTest.cpp',
             'events/PointerEventFactoryTest.cpp',
             'fetch/CachingCorrectnessTest.cpp',
             'fetch/ClientHintsPreferencesTest.cpp',
             'fetch/CrossOriginAccessControlTest.cpp',
             'fetch/FetchUtilsTest.cpp',
             'fetch/ImageResourceTest.cpp',
             'fetch/MemoryCacheTest.cpp',
             'fetch/MockResourceClients.cpp',
             'fetch/MultipartImageResourceParserTest.cpp',
             'fetch/RawResourceTest.cpp',
@@ skipping 120 matching lines @@
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'timing/PerformanceBaseTest.cpp',
             'timing/PerformanceObserverTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'workers/WorkerThreadTestHelper.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }