Remove the webkit prefix from idl properties and interfaces.

sky/engine/web/WebInputEventConversion.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 735 matching lines @@
     unsigned numberOfTouches = std::min(touches->length(), static_cast<unsigned>(WebTouchEvent::touchesLengthCap));
     for (unsigned i = 0; i < numberOfTouches; ++i) {
         const Touch* touch = touches->item(i);
 
         WebTouchPoint point;
         point.id = touch->identifier();
         point.screenPosition = touch->screenLocation();
         point.position = convertAbsoluteLocationForRenderObjectFloat(touch->absoluteLocation(), *renderObject);
         point.radiusX = touch->radiusX();
         point.radiusY = touch->radiusY();
-        point.rotationAngle = touch->webkitRotationAngle();
+        point.rotationAngle = touch->rotationAngle();
         point.force = touch->force();
         point.state = toWebTouchPointState(touchType);
 
         touchPoints[i] = point;
     }
     *touchPointsLength = numberOfTouches;
 }
 
 WebTouchEventBuilder::WebTouchEventBuilder(const Widget* widget, const RenderObject* renderObject, const TouchEvent& event)
 {
@@ skipping 43 matching lines @@
     modifiers = getWebInputModifiers(event);
 
     globalX = event.screenX();
     globalY = event.screenY();
     IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), *renderObject);
     x = localPoint.x();
     y = localPoint.y();
 }
 
 } // namespace blink