Wait for encode thread during VideoScheduler teardown.

remoting/host/video_scheduler.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_VIDEO_SCHEDULER_H_
 #define REMOTING_HOST_VIDEO_SCHEDULER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 137 matching lines @@
   // Send updated cursor shape to client.
   void SendCursorShape(scoped_ptr<protocol::CursorShapeInfo> cursor_shape);
 
   // Encoder thread -----------------------------------------------------------
 
   // Encode a frame, passing generated VideoPackets to SendVideoPacket().
   void EncodeFrame(scoped_refptr<CaptureData> capture_data);
 
   void EncodedDataAvailableCallback(scoped_ptr<VideoPacket> packet);
 
+  // Used to synchronize capture and encode thread teardown, notifying the
+  // network thread when done.
+  void StopOnEncodeThread(const base::Closure& done_task);
+
   // Task runners used by this class.
   scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
 
   // Used to capture frames. Always accessed on the capture thread.
   VideoFrameCapturer* capturer_;
 
   // Used to encode captured frames. Always accessed on the encode thread.
   scoped_ptr<VideoEncoder> encoder_;
@@ skipping 20 matching lines @@
 
   // An object to schedule capturing.
   CaptureScheduler scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoScheduler);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_VIDEO_SCHEDULER_H_