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

content/renderer/media/webrtc_audio_renderer.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 "content/renderer/media/webrtc_audio_renderer.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 397 matching lines @@
 
 media::OutputDeviceStatus WebRtcAudioRenderer::GetDeviceStatus() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!sink_.get())
     return media::OUTPUT_DEVICE_STATUS_ERROR_INTERNAL;
 
   return sink_->GetDeviceStatus();
 }
 
 int WebRtcAudioRenderer::Render(media::AudioBus* audio_bus,
-                                int audio_delay_milliseconds) {
+                                int audio_delay_milliseconds,
+                                uint32_t frames_skipped) {
   DCHECK(audio_renderer_thread_checker_.CalledOnValidThread());
   base::AutoLock auto_lock(lock_);
   if (!source_)
     return 0;
 
   DVLOG(2) << "WebRtcAudioRenderer::Render()";
   DVLOG(2) << "audio_delay_milliseconds: " << audio_delay_milliseconds;
 
   audio_delay_milliseconds_ = audio_delay_milliseconds;
 
@@ skipping 206 matching lines @@
     sink_params_ = sink_params;
     fifo_delay_milliseconds_ = fifo_delay_milliseconds;
     if (audio_fifo.get())
       audio_fifo_ = audio_fifo.Pass();
   }
 
   sink_->Initialize(sink_params, this);
 }
 
 }  // namespace content