Fix main thread top controls scrolling to mirror CC.

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 135 matching lines @@
 #else
     deref(); // Balances ref() acquired in WebFrameWidget::create
 #endif
 }
 
 WebSize WebFrameWidgetImpl::size()
 {
     return m_size;
 }
 
+void WebFrameWidgetImpl::resize(const WebSize& newSize, float, bool)
+{
+    // Widgets don't have top controls so ignore the top control params.
+    resize(newSize);
+}
+
 void WebFrameWidgetImpl::resize(const WebSize& newSize)
 {
     if (m_size == newSize)
         return;
 
     FrameView* view = m_localRoot->frameView();
     if (!view)
         return;
 
     m_size = newSize;
@@ skipping 931 matching lines @@
 
 HitTestResult WebFrameWidgetImpl::hitTestResultForRootFramePos(const IntPoint& posInRootFrame)
 {
     IntPoint docPoint(m_localRoot->frame()->view()->rootFrameToContents(posInRootFrame));
     HitTestResult result = m_localRoot->frame()->eventHandler().hitTestResultAtPoint(docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active);
     result.setToShadowHostIfInUserAgentShadowRoot();
     return result;
 }
 
 } // namespace blink