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

media/renderers/audio_renderer_impl.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/renderers/audio_renderer_impl.h"
 
 #include <math.h>
 
 #include <algorithm>
 
@@ skipping 608 matching lines @@
 }
 
 bool AudioRendererImpl::IsBeforeStartTime(
     const scoped_refptr<AudioBuffer>& buffer) {
   DCHECK_EQ(state_, kPlaying);
   return buffer.get() && !buffer->end_of_stream() &&
          (buffer->timestamp() + buffer->duration()) < start_timestamp_;
 }
 
 int AudioRendererImpl::Render(AudioBus* audio_bus,
-                              int audio_delay_milliseconds) {
+                              uint32_t audio_delay_milliseconds,
+                              uint32_t frames_skipped) {
   const int requested_frames = audio_bus->frames();
   base::TimeDelta playback_delay = base::TimeDelta::FromMilliseconds(
       audio_delay_milliseconds);
   const int delay_frames = static_cast<int>(playback_delay.InSecondsF() *
                                             audio_parameters_.sample_rate());
   int frames_written = 0;
   {
     base::AutoLock auto_lock(lock_);
     last_render_time_ = tick_clock_->NowTicks();
 
@@ skipping 177 matching lines @@
            << buffering_state;
   DCHECK_NE(buffering_state_, buffering_state);
   lock_.AssertAcquired();
   buffering_state_ = buffering_state;
 
   task_runner_->PostTask(FROM_HERE,
                          base::Bind(buffering_state_cb_, buffering_state_));
 }
 
 }  // namespace media