Fix main thread top controls scrolling to mirror CC.

third_party/WebKit/Source/web/WebPagePopupImpl.h

 /*
  * 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 59 matching lines @@
     WebPoint positionRelativeToOwner() override;
     void postMessage(const String& message) override;
     void cancel();
 
 private:
     // WebWidget functions
     void beginFrame(double lastFrameTimeMonotonic) override;
     void updateAllLifecyclePhases() override;
     void willCloseLayerTreeView() override;
     void paint(WebCanvas*, const WebRect&) override;
+    void resize(const WebSize&, float topControlsHeight, bool topControlsShrinkLayoutSize) override;
     void resize(const WebSize&) override;
     void close() override;
     WebInputEventResult handleInputEvent(const WebInputEvent&) override;
     void setFocus(bool) override;
     bool isPagePopup() const override { return true; }
     bool isAcceleratedCompositingActive() const override { return m_isAcceleratedCompositingActive; }
 
     // PageWidgetEventHandler functions
     WebInputEventResult handleKeyEvent(const WebKeyboardEvent&) override;
     WebInputEventResult handleCharEvent(const WebKeyboardEvent&) override;
@@ skipping 30 matching lines @@
     friend class PagePopupChromeClient;
 };
 
 DEFINE_TYPE_CASTS(WebPagePopupImpl, WebWidget, widget, widget->isPagePopup(), widget.isPagePopup());
 // WebPagePopupImpl is the only implementation of PagePopup, so no
 // further checking required.
 DEFINE_TYPE_CASTS(WebPagePopupImpl, PagePopup, popup, true, true);
 
 } // namespace blink
 #endif // WebPagePopupImpl_h