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

media/base/fake_audio_renderer_sink.cc

Index: media/base/fake_audio_renderer_sink.cc
diff --git a/media/base/fake_audio_renderer_sink.cc b/media/base/fake_audio_renderer_sink.cc
index d8a72629d961c8fdb374861b4032ef5f47b9a559..5ce60740b05db9416cde068aac1a693a417d6525 100644
--- a/media/base/fake_audio_renderer_sink.cc
+++ b/media/base/fake_audio_renderer_sink.cc
@@ -60,12 +60,13 @@ OutputDevice* FakeAudioRendererSink::GetOutputDevice() {
   return output_device_.get();
 }
 
-bool FakeAudioRendererSink::Render(AudioBus* dest, int audio_delay_milliseconds,
+bool FakeAudioRendererSink::Render(AudioBus* dest,
+                                   uint32_t audio_delay_milliseconds,
                                    int* frames_written) {
   if (state_ != kPlaying)
     return false;
 
-  *frames_written = callback_->Render(dest, audio_delay_milliseconds);
+  *frames_written = callback_->Render(dest, audio_delay_milliseconds, 0);
   return true;
 }