Add IPC messages to transfer compositor protos

content/renderer/render_widget.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_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 284 matching lines @@
   // Called by the compositor in single-threaded mode when a swap is posted,
   // completes or is aborted.
   void OnSwapBuffersPosted();
   void OnSwapBuffersComplete();
   void OnSwapBuffersAborted();
 
   // Checks if the selection bounds have been changed. If they are changed,
   // the new value will be sent to the browser process.
   void UpdateSelectionBounds();
 
+  // Called by the compositor to forward a proto that represents serialized
+  // compositor state.
+  void ForwardCompositorProto(const std::vector<uint8_t>& proto);
+
   virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end);
 
   void OnShowHostContextMenu(ContextMenuParams* params);
 
   enum ShowIme {
     SHOW_IME_IF_NEEDED,
     NO_SHOW_IME,
   };
 
   enum ChangeSource {
@@ skipping 125 matching lines @@
                                        const gfx::Range& replacement_range,
                                        bool keep_selection);
   void OnRepaint(gfx::Size size_to_paint);
   void OnSyntheticGestureCompleted();
   void OnSetTextDirection(blink::WebTextDirection direction);
   void OnGetFPS();
   void OnUpdateScreenRects(const gfx::Rect& view_screen_rect,
                            const gfx::Rect& window_screen_rect);
   void OnShowImeIfNeeded();
   void OnSetSurfaceIdNamespace(uint32_t surface_id_namespace);
+  void OnHandleCompositorProto(const std::vector<uint8_t>& proto);
 
 #if defined(OS_ANDROID)
   // Called when we send IME event that expects an ACK.
   void OnImeEventSentForAck(const blink::WebTextInputInfo& info);
 
   // Called by the browser process for every required IME acknowledgement.
   void OnImeEventAck();
 #endif
 
   // Notify the compositor about a change in viewport size. This should be
@@ skipping 338 matching lines @@
 
   scoped_ptr<scheduler::RenderWidgetSchedulingState>
       render_widget_scheduling_state_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_