Simplify ScreenCapturer interface.

remoting/host/desktop_session_agent.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 REMOTING_HOST_DESKTOP_SESSION_AGENT_H_
 #define REMOTING_HOST_DESKTOP_SESSION_AGENT_H_
 
 #include <list>
 
 #include "base/basictypes.h"
@@ skipping 113 matching lines @@
       IPC::PlatformFileForTransit* client_out,
       scoped_ptr<IPC::ChannelProxy>* server_out) = 0;
 
   // Handles StartSessionAgent request from the client.
   void OnStartSessionAgent(const std::string& authenticated_jid,
                            const ScreenResolution& resolution);
 
   // Handles CaptureFrame requests from the client.
   void OnCaptureFrame();
 
-  // Handles InvalidateRegion requests from the client.
-  void OnInvalidateRegion(const std::vector<SkIRect>& invalid_rects);
-
   // Handles SharedBufferCreated notification from the client.
   void OnSharedBufferCreated(int id);
 
   // Handles event executor requests from the client.
   void OnInjectClipboardEvent(const std::string& serialized_event);
   void OnInjectKeyEvent(const std::string& serialized_event);
   void OnInjectMouseEvent(const std::string& serialized_event);
 
   // Handles ChromotingNetworkDesktopMsg_SetScreenResolution request from
   // the client.
@@ skipping 106 matching lines @@
 
   // Captures the screen.
   scoped_ptr<media::ScreenCapturer> video_capturer_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopSessionAgent);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_DESKTOP_SESSION_AGENT_H_