DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/port/browser/render_view_host_delegate_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 #define CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 50 matching lines @@
   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) {}
 
   // Notification that view for this delegate got the focus.
   virtual void GotFocus() {}
 
   // Callback to inform the browser that the page is returning the focus to
   // the browser's chrome. If reverse is true, it means the focus was
   // retrieved by doing a Shift-Tab.
   virtual void TakeFocus(bool reverse) {}
 
+  // Take screenshot.
+  virtual bool GrabSnapshot(std::vector<uint8>* png) { return false; }
+
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_