Introducing WebCoalescedInputEvent and inclusion in content/common

third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp

 /*
  * Copyright (C) 2014 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 374 matching lines @@
     }
 
     node->dispatchMouseEvent(
         PlatformMouseEventBuilder(
             m_localRoot->frameView(),
             static_cast<const WebMouseEvent&>(inputEvent)),
         eventType, static_cast<const WebMouseEvent&>(inputEvent).clickCount);
     return WebInputEventResult::HandledSystem;
   }
 
-  return PageWidgetDelegate::handleInputEvent(*this, inputEvent,
-                                              m_localRoot->frame());
+  return PageWidgetDelegate::handleInputEvent(
+      *this, WebCoalescedInputEvent(inputEvent), m_localRoot->frame());
 }
 
 void WebFrameWidgetImpl::setCursorVisibilityState(bool isVisible) {
   page()->setIsCursorVisible(isVisible);
 }
 
 bool WebFrameWidgetImpl::hasTouchEventHandlersAt(const WebPoint& point) {
   // FIXME: Implement this. Note that the point must be divided by
   // pageScaleFactor.
   return true;
@@ skipping 743 matching lines @@
   return nullptr;
 }
 
 LocalFrame* WebFrameWidgetImpl::focusedLocalFrameAvailableForIme() const {
   if (!m_imeAcceptEvents)
     return nullptr;
   return focusedLocalFrameInWidget();
 }
 
 }  // namespace blink