Send compositor frame IPC with metadata.

content/browser/renderer_host/render_widget_host_impl.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 20 matching lines @@
 
 class WebCursor;
 struct ViewHostMsg_UpdateRect_Params;
 struct ViewHostMsg_TextInputState_Params;
 struct ViewHostMsg_BeginSmoothScroll_Params;
 
 namespace base {
 class TimeTicks;
 }
 
+namespace cc {
+class CompositorFrame;
+}
+
 namespace ui {
 class KeyEvent;
 class Range;
 }
 
 namespace WebKit {
 class WebInputEvent;
 class WebMouseEvent;
 struct WebCompositionUnderline;
 struct WebScreenInfo;
@@ skipping 501 matching lines @@
   void OnMsgUpdateScreenRectsAck();
   void OnMsgRequestMove(const gfx::Rect& pos);
   void OnMsgSetTooltipText(const string16& tooltip_text,
                            WebKit::WebTextDirection text_direction_hint);
   void OnMsgPaintAtSizeAck(int tag, const gfx::Size& size);
   void OnCompositorSurfaceBuffersSwapped(int32 surface_id,
                                          uint64 surface_handle,
                                          int32 route_id,
                                          const gfx::Size& size,
                                          int32 gpu_process_host_id);
+  void OnMsgSwapCompositorFrame(const cc::CompositorFrame& frame);
   void OnMsgUpdateRect(const ViewHostMsg_UpdateRect_Params& params);
   void OnMsgUpdateIsDelayed();
   void OnMsgInputEventAck(WebKit::WebInputEvent::Type event_type,
                           InputEventAckState ack_result);
   void OnMsgBeginSmoothScroll(
       int gesture_id,
       const ViewHostMsg_BeginSmoothScroll_Params &params);
   void OnMsgSelectRangeAck();
   virtual void OnMsgFocus();
   virtual void OnMsgBlur();
@@ skipping 298 matching lines @@
 #if defined(OS_WIN)
   std::list<HWND> dummy_windows_for_activation_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_