Add IPC messages to transfer compositor protos

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 <list>
 #include <map>
 #include <string>
@@ skipping 141 matching lines @@
   void RestartHangMonitorTimeout() override;
   void SetIgnoreInputEvents(bool ignore_input_events) override;
   void WasResized() override;
   void AddKeyPressEventCallback(const KeyPressEventCallback& callback) override;
   void RemoveKeyPressEventCallback(
       const KeyPressEventCallback& callback) override;
   void AddMouseEventCallback(const MouseEventCallback& callback) override;
   void RemoveMouseEventCallback(const MouseEventCallback& callback) override;
   void GetWebScreenInfo(blink::WebScreenInfo* result) override;
   bool GetScreenColorProfile(std::vector<char>* color_profile) override;
+  void HandleCompositorProto(const std::vector<char>& proto) override;
 
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
   // Forces redraw in the renderer and when the update reaches the browser
   // grabs snapshot from the compositor. Returns PNG-encoded snapshot.
   using GetSnapshotFromBrowserCallback =
       base::Callback<void(const unsigned char*, size_t)>;
   void GetSnapshotFromBrowser(const GetSnapshotFromBrowserCallback& callback);
 
@@ skipping 99 matching lines @@
   // Starts the rendering timeout, which will clear displayed graphics if
   // a new compositor frame is not received before it expires.
   void StartNewContentRenderingTimeout();
 
   // Notification that a new compositor frame has been generated following
   // a page load. This stops |new_content_rendering_timeout_|, or prevents
   // the timer from running if the load commit message hasn't been received
   // yet.
   void OnFirstPaintAfterLoad();
 
+  void OnHandleCompositorProto(const std::vector<char>& proto);

[no sievers, 2015/11/14 00:13:43]

nit: can it be private?

[David Trainor- moved to gerrit, 2015/11/16 04:33:58]

Done.

+
   // Forwards the given message to the renderer. These are called by the view
   // when it has received a message.
   void ForwardGestureEventWithLatencyInfo(
       const blink::WebGestureEvent& gesture_event,
       const ui::LatencyInfo& ui_latency);
   void ForwardTouchEventWithLatencyInfo(
       const blink::WebTouchEvent& touch_event,
       const ui::LatencyInfo& ui_latency);
   void ForwardMouseEventWithLatencyInfo(
       const blink::WebMouseEvent& mouse_event,
@@ skipping 530 matching lines @@
   scoped_ptr<base::ElapsedTimer> mouse_wheel_coalesce_timer_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_