Fix crash in ScreenRecorder

remoting/host/screen_recorder.h

 // Copyright (c) 2011 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 162 matching lines @@
   // A list of clients connected to this hosts.
   // This member is always accessed on the network thread.
   typedef std::vector<scoped_refptr<protocol::ConnectionToClient> >
       ConnectionToClientList;
   ConnectionToClientList connections_;
 
   // Flag that indicates recording has been started. This variable should only
   // be used on the capture thread.
   bool is_recording_;
 
-  // Flag that indicates network is being stopped. This variable should only
-  // be used on the network thread.
+  // Per-thread flags that are set when the ScreenRecorder
+  // stopped. They must be used on the corresponding threads only.
   bool network_stopped_;
+  bool encoder_stopped_;
 
   // Timer that calls DoCapture.
   base::RepeatingTimer<ScreenRecorder> capture_timer_;
 
   // Count the number of recordings (i.e. capture or encode) happening.
   int recordings_;
 
   // Set to true if we've skipped last capture because there are too
   // many pending frames.
   int frame_skipped_;
 
   // Number of captures to perform every second. Written on the capture thread.
   double max_rate_;
 
   // Time when capture is started.
   base::Time capture_start_time_;
 
   // Time when encode is started.
   base::Time encode_start_time_;
 
   // This is a number updated by client to trace performance.
   int64 sequence_number_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenRecorder);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SCREEN_RECORDER_H_