Web Animations: Update naming to reflect spec changes

Source/core/frame/UseCounter.h

Index: Source/core/frame/UseCounter.h
diff --git a/Source/core/frame/UseCounter.h b/Source/core/frame/UseCounter.h
index 64e8dcc384f58edb50fa8fb8fecb664d116afdeb..1a3595a329641237e79b732a32c56f922e899481 100644
--- a/Source/core/frame/UseCounter.h
+++ b/Source/core/frame/UseCounter.h
@@ -301,7 +301,7 @@ public:
 
         SVGForeignObjectElement = 325,
         SelectionSetPosition = 327,
-        AnimationPlayerFinishEvent = 328,
+        AnimationFinishEvent = 328,
         SVGSVGElementInXMLDocument = 329,
         PrefixedPerformanceClearResourceTimings = 341,
         PrefixedPerformanceSetResourceTimingBufferSize = 342,
@@ -475,17 +475,17 @@ public:
         SRIElementWithMatchingIntegrityAttribute = 540,
         SRIElementWithNonMatchingIntegrityAttribute = 541,
         SRIElementWithUnparsableIntegrityAttribute = 542,
-        V8AnimationPlayer_StartTime_AttributeGetter = 545,
-        V8AnimationPlayer_StartTime_AttributeSetter = 546,
-        V8AnimationPlayer_CurrentTime_AttributeGetter = 547,
-        V8AnimationPlayer_CurrentTime_AttributeSetter = 548,
-        V8AnimationPlayer_PlaybackRate_AttributeGetter = 549,
-        V8AnimationPlayer_PlaybackRate_AttributeSetter = 550,
-        V8AnimationPlayer_PlayState_AttributeGetter = 551,
-        V8AnimationPlayer_Finish_Method = 552,
-        V8AnimationPlayer_Play_Method = 553,
-        V8AnimationPlayer_Pause_Method = 554,
-        V8AnimationPlayer_Reverse_Method = 555,
+        V8Animation_StartTime_AttributeGetter = 545,
+        V8Animation_StartTime_AttributeSetter = 546,
+        V8Animation_CurrentTime_AttributeGetter = 547,
+        V8Animation_CurrentTime_AttributeSetter = 548,
+        V8Animation_PlaybackRate_AttributeGetter = 549,
+        V8Animation_PlaybackRate_AttributeSetter = 550,
+        V8Animation_PlayState_AttributeGetter = 551,
+        V8Animation_Finish_Method = 552,
+        V8Animation_Play_Method = 553,
+        V8Animation_Pause_Method = 554,
+        V8Animation_Reverse_Method = 555,
         // The above items are available in M39 branch.
 
         BreakIterator = 556,
@@ -630,9 +630,9 @@ public:
         WindowFind = 696,
         WindowScreenLeft = 697,
         WindowScreenTop = 698,
-        V8AnimationPlayer_Cancel_Method = 699,
-        V8AnimationPlayer_Onfinish_AttributeGetter = 700,
-        V8AnimationPlayer_Onfinish_AttributeSetter = 701,
+        V8Animation_Cancel_Method = 699,
+        V8Animation_Onfinish_AttributeGetter = 700,
+        V8Animation_Onfinish_AttributeSetter = 701,
         ElementOffsetParent = 702,
         ElementOffsetTop = 703,
         ElementOffsetLeft = 704,