Privitize WaitTillDataReady() and DataReady().

media/audio/audio_io.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 MEDIA_AUDIO_AUDIO_IO_H_
 #define MEDIA_AUDIO_AUDIO_IO_H_
 
 #include "base/basictypes.h"
 #include "media/audio/audio_buffers_state.h"
 #include "media/base/audio_bus.h"
@@ skipping 55 matching lines @@
     virtual int OnMoreIOData(AudioBus* source,
                              AudioBus* dest,
                              AudioBuffersState buffers_state) = 0;
 
     // There was an error while playing a buffer. Audio source cannot be
     // destroyed yet. No direct action needed by the AudioStream, but it is
     // a good place to stop accumulating sound data since is is likely that
     // playback will not continue.
     virtual void OnError(AudioOutputStream* stream) = 0;
 
-    // Will block until the client has written its audio data or 1.5 seconds
-    // have elapsed.
-    virtual void WaitTillDataReady() {}
-
    protected:
     virtual ~AudioSourceCallback() {}
   };
 
   virtual ~AudioOutputStream() {}
 
   // Open the stream. false is returned if the stream cannot be opened.  Open()
   // must always be followed by a call to Close() even if Open() fails.
   virtual bool Open() = 0;
 
@@ skipping 77 matching lines @@
   // Sets the Automatic Gain Control (AGC) state.
   virtual void SetAutomaticGainControl(bool enabled) = 0;
 
   // Returns the Automatic Gain Control (AGC) state.
   virtual bool GetAutomaticGainControl() = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_IO_H_