Revert of Move compositor InputHandler from RenderViewImpl to RenderWidget.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 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 1571 matching lines @@
       nonUserInitiatedPointPadding, minimumPageScaleFactor(), scale, scroll);
 
   if (scale <= pageScaleFactor())
     return false;
 
   startPageScaleAnimation(scroll, false, scale,
                           multipleTargetsZoomAnimationDurationInSeconds);
   return true;
 }
 
+void WebViewImpl::hasTouchEventHandlers(bool hasTouchHandlers) {
+  if (m_client)
+    m_client->hasTouchEventHandlers(hasTouchHandlers);
+}
+
 bool WebViewImpl::hasTouchEventHandlersAt(const WebPoint& point) {
   // FIXME: Implement this. Note that the point must be divided by
   // pageScaleFactor.
   return true;
 }
 
 #if !OS(MACOSX)
 // Mac has no way to open a context menu based on a keyboard event.
 WebInputEventResult WebViewImpl::sendContextMenuEvent(
     const WebKeyboardEvent& event) {
@@ skipping 2584 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink