Revert of Remove WheelEvent.initWebKitWheelEvent()

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 361 matching lines @@
         HTMLTableElementHspace = 375,
         PrefixedDocumentExitPointerLock = 376,
         PrefixedDocumentPointerLockElement = 377,
         PrefixedTouchRadiusX = 378,
         PrefixedTouchRadiusY = 379,
         PrefixedTouchRotationAngle = 380,
         PrefixedTouchForce = 381,
         PrefixedMouseEventMovementX = 382,
         PrefixedMouseEventMovementY = 383,
         PrefixedWheelEventDirectionInvertedFromDevice = 384,
+        PrefixedWheelEventInit = 385,
         PrefixedFileRelativePath = 386,
         DocumentCaretRangeFromPoint = 387,
         DocumentGetCSSCanvasContext = 388,
         ElementScrollIntoViewIfNeeded = 389,
         ElementScrollByLines = 390,
         ElementScrollByPages = 391,
         RangeCompareNode = 392,
         RangeExpand = 393,
         HTMLFrameElementWidth = 394,
         HTMLFrameElementHeight = 395,
@@ skipping 161 matching lines @@
 
     void updateMeasurements();
 
     OwnPtr<BitVector> m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace blink
 
 #endif // UseCounter_h