Remove non-standard document.createEvent('WebKitAnimationEvent').

third_party/WebKit/Source/core/frame/UseCounter.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 881 matching lines @@
     kDocumentCreateEventErrorEvent = 1170,
     kDocumentCreateEventFocusEvent = 1171,
     kDocumentCreateEventHashChangeEvent = 1172,
     kDocumentCreateEventMutationEvent = 1173,
     kDocumentCreateEventPageTransitionEvent = 1174,
     kDocumentCreateEventPopStateEvent = 1176,
     kDocumentCreateEventTextEvent = 1182,
     kDocumentCreateEventTransitionEvent = 1183,
     kDocumentCreateEventWheelEvent = 1184,
     kDocumentCreateEventTrackEvent = 1186,
-    kDocumentCreateEventWebKitAnimationEvent = 1187,
     kDocumentCreateEventMutationEvents = 1188,
     kDocumentCreateEventSVGEvents = 1190,
     kDocumentCreateEventWebKitTransitionEvent = 1191,
     kDocumentCreateEventDeviceMotionEvent = 1195,
     kDocumentCreateEventDeviceOrientationEvent = 1196,
     kDocumentCreateEventIDBVersionChangeEvent = 1201,
     kDocumentCreateEventStorageEvent = 1221,
     kDocumentCreateEventWebGLContextEvent = 1224,
     kDocumentCreateEventCloseEvent = 1227,
     kDocumentCreateEventKeyboardEvents = 1228,
@@ skipping 774 matching lines @@
     // Tracks what features/properties need to be reported to the legacy
     // histograms.
     BitVector feature_bits_;
     BitVector css_bits_;
   } legacy_counter_;
 };
 
 }  // namespace blink
 
 #endif  // UseCounter_h