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

media/audio/null_audio_sink.cc

 // 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.
 
 #include "media/audio/null_audio_sink.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "media/audio/fake_audio_worker.h"
@@ skipping 64 matching lines @@
   return volume == 0.0;
 }
 
 OutputDevice* NullAudioSink::GetOutputDevice() {
   return nullptr;
 }
 
 void NullAudioSink::CallRender() {
   DCHECK(task_runner_->BelongsToCurrentThread());
 
-  int frames_received = callback_->Render(audio_bus_.get(), 0);
+  int frames_received = callback_->Render(audio_bus_.get(), 0, 0);
   if (!audio_hash_ || frames_received <= 0)
     return;
 
   audio_hash_->Update(audio_bus_.get(), frames_received);
 }
 
 void NullAudioSink::StartAudioHashForTesting() {
   DCHECK(!initialized_);
   audio_hash_.reset(new AudioHash());
 }
 
 std::string NullAudioSink::GetAudioHashForTesting() {
   return audio_hash_ ? audio_hash_->ToString() : std::string();
 }
 
 }  // namespace media