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

components/audio_modem/audio_player_unittest.cc

 // Copyright 2015 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 "components/audio_modem/audio_player.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 33 matching lines @@
   void GetVolume(double* volume) override {}
   void Close() override {}
 
  private:
   void GatherPlayedSamples() {
     int frames = 0, total_frames = 0;
     do {
       // Call back into the player to get samples that it wants us to play.
       scoped_ptr<media::AudioBus> dest =
           media::AudioBus::Create(1, default_frame_count_);
-      frames = callback_->OnMoreData(dest.get(), 0);
+      frames = callback_->OnMoreData(dest.get(), 0, 0);
       total_frames += frames;
       // Send the samples given to us by the player to the gather callback.
       caller_loop_->task_runner()->PostTask(
           FROM_HERE, base::Bind(gather_callback_, base::Passed(&dest), frames));
     } while (frames && total_frames < max_frame_count_);
   }
 
   int default_frame_count_;
   int max_frame_count_;
   GatherSamplesCallback gather_callback_;
@@ skipping 139 matching lines @@
 
   PlayAndVerifySamples(
       CreateRandomAudioRefCounted(0x7331, 1, kNumSamples - 3123));
 
   PlayAndVerifySamples(CreateRandomAudioRefCounted(0xf00d, 1, kNumSamples * 2));
 
   DeletePlayer();
 }
 
 }  // namespace audio_modem