Remove unused flush operation from Chromium audio.

content/browser/media/media_internals.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_MEDIA_MEDIA_INTERNALS_H_
 #define CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 21 matching lines @@
 
   // The following methods are virtual for gmock.
 
   // Called when an audio stream is deleted.
   virtual void OnDeleteAudioStream(void* host, int stream_id);
 
   // Called when an audio stream is set to playing or paused.
   virtual void OnSetAudioStreamPlaying(void* host, int stream_id,
                                        bool playing);
 
-  // Called when the status of an audio stream is set to "created", "flushed",
-  // "closed", or "error".
+  // Called when the status of an audio stream is set to "created", "closed", or
+  // "error".
   virtual void OnSetAudioStreamStatus(void* host, int stream_id,
                                       const std::string& status);
 
   // Called when the volume of an audio stream is set.
   virtual void OnSetAudioStreamVolume(void* host, int stream_id,
                                       double volume);
 
   // Called when a MediaEvent occurs.
   virtual void OnMediaEvent(int render_process_id,
                             const media::MediaLogEvent& event);
@@ skipping 33 matching lines @@
   DictionaryValue data_;
 
   std::vector<UpdateCallback> update_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaInternals);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_