Forward the number of skipped frames by the OS in audio playout.

media/audio/sounds/audio_stream_handler.cc

 // Copyright 2013 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.
 
 #include "media/audio/sounds/audio_stream_handler.h"
 
 #include <string>
 
 #include "base/cancelable_callback.h"
 #include "base/logging.h"
@@ skipping 107 matching lines @@
       AudioManager::Get()->GetTaskRunner()->PostDelayedTask(
           FROM_HERE,
           stop_closure_.callback(),
           base::TimeDelta::FromMilliseconds(kKeepAliveMs));
       return 0;
     }
     cursor_ += bytes_written;
     return dest->frames();
   }
 
+  void OnSkippedData(uint32_t frames_skipped) override {}
+
   void OnError(AudioOutputStream* /* stream */) override {
     LOG(ERROR) << "Error during system sound reproduction.";
     AudioManager::Get()->GetTaskRunner()->PostTask(
         FROM_HERE,
         base::Bind(&AudioStreamContainer::Stop, base::Unretained(this)));
   }
 
   void StopStream() {
     DCHECK(AudioManager::Get()->GetTaskRunner()->BelongsToCurrentThread());
 
@@ skipping 98 matching lines @@
   g_observer_for_testing = observer;
 }
 
 // static
 void AudioStreamHandler::SetAudioSourceForTesting(
     AudioOutputStream::AudioSourceCallback* source) {
   g_audio_source_for_testing = source;
 }
 
 }  // namespace media