Add pixel readback to page popup

Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 108 matching lines @@
         const WebString& text,
         const WebVector<WebCompositionUnderline>& underlines,
         int selectionStart,
         int selectionEnd) OVERRIDE;
     virtual bool confirmComposition() OVERRIDE;
     virtual bool confirmComposition(ConfirmCompositionBehavior selectionBehavior) OVERRIDE;
     virtual bool confirmComposition(const WebString& text) OVERRIDE;
     virtual bool compositionRange(size_t* location, size_t* length) OVERRIDE;
     virtual WebTextInputInfo textInputInfo() OVERRIDE;
     virtual WebColor backgroundColor() const OVERRIDE;
+    virtual WebPagePopup* pagePopup() const OVERRIDE;
     virtual bool selectionBounds(WebRect& anchor, WebRect& focus) const OVERRIDE;
     virtual void didShowCandidateWindow() OVERRIDE;
     virtual void didUpdateCandidateWindow() OVERRIDE;
     virtual void didHideCandidateWindow() OVERRIDE;
     virtual bool selectionTextDirection(WebTextDirection& start, WebTextDirection& end) const OVERRIDE;
     virtual bool isSelectionAnchorFirst() const OVERRIDE;
     virtual bool caretOrSelectionRange(size_t* location, size_t* length) OVERRIDE;
     virtual void setTextDirection(WebTextDirection) OVERRIDE;
     virtual bool isAcceleratedCompositingActive() const OVERRIDE;
     virtual void willCloseLayerTreeView() OVERRIDE;
@@ skipping 584 matching lines @@
     float m_topControlsContentOffset;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif