Remove PlatformWheelEvent and use WebMouseWheelEvent instead

third_party/WebKit/Source/web/PageWidgetDelegate.cpp

 /*
  * 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:
  *
  *     * 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 232 matching lines @@
 
 void PageWidgetEventHandler::handleMouseUp(LocalFrame& mainFrame,
                                            const WebMouseEvent& event) {
   mainFrame.eventHandler().handleMouseReleaseEvent(
       PlatformMouseEventBuilder(mainFrame.view(), event));
 }
 
 WebInputEventResult PageWidgetEventHandler::handleMouseWheel(
     LocalFrame& mainFrame,
     const WebMouseWheelEvent& event) {
-  return mainFrame.eventHandler().handleWheelEvent(
-      PlatformWheelEventBuilder(mainFrame.view(), event));
+  WebMouseWheelEvent transformedEvent =
+      TransformWebMouseWheelEvent(mainFrame.view(), event);
+  return mainFrame.eventHandler().handleWheelEvent(transformedEvent);
 }
 
 WebInputEventResult PageWidgetEventHandler::handleTouchEvent(
     LocalFrame& mainFrame,
     const WebTouchEvent& event,
     const std::vector<const WebInputEvent*>& coalescedEvents) {
   return mainFrame.eventHandler().handleTouchEvent(
       PlatformTouchEventBuilder(mainFrame.view(), event),
       createPlatformTouchEventVector(mainFrame.view(), coalescedEvents));
 }
 
 }  // namespace blink