Refactor VideoStub interface to accept ownership of video packets.

remoting/host/screen_recorder.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_SCREEN_RECORDER_H_
 #define REMOTING_HOST_SCREEN_RECORDER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 115 matching lines @@
   // Network thread -----------------------------------------------------------
 
   void DoSendVideoPacket(scoped_ptr<VideoPacket> packet);
 
   void DoSendInit(scoped_refptr<protocol::ConnectionToClient> connection,
                   int width, int height);
 
   // Signal network thread to cease activities.
   void DoStopOnNetworkThread(const base::Closure& done_task);
 
-  // Callback for VideoStub::ProcessVideoPacket().
-  void VideoPacketSentCallback(scoped_ptr<VideoPacket> packet);
+  // Callback for VideoStub::ProcessVideoPacket() that is used for
+  // each last packet in a frame.
+  void VideoFrameSentCallback();
 
   // Encoder thread -----------------------------------------------------------
 
   void DoEncode(scoped_refptr<CaptureData> capture_data);
 
   // Perform stop operations on encode thread.
   void DoStopOnEncodeThread(const base::Closure& done_task);
 
   void EncodedDataAvailableCallback(scoped_ptr<VideoPacket> packet);
   void SendVideoPacket(VideoPacket* packet);
@@ skipping 49 matching lines @@
 
   // An object to schedule capturing.
   CaptureScheduler scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenRecorder);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SCREEN_RECORDER_H_