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

media/base/audio_renderer_mixer.cc

Index: media/base/audio_renderer_mixer.cc
diff --git a/media/base/audio_renderer_mixer.cc b/media/base/audio_renderer_mixer.cc
index 26171f944881b67ff5e1a5d4ad0f709272f4c056..218bb9e2c560de40398bf3696195905bbfcee365 100644
--- a/media/base/audio_renderer_mixer.cc
+++ b/media/base/audio_renderer_mixer.cc
@@ -117,7 +117,8 @@ OutputDevice* AudioRendererMixer::GetOutputDevice() {
 }
 
 int AudioRendererMixer::Render(AudioBus* audio_bus,
-                               int audio_delay_milliseconds) {
+                               uint32_t audio_delay_milliseconds,
+                               uint32_t frames_skipped) {
   base::AutoLock auto_lock(lock_);
 
   // If there are no mixer inputs and we haven't seen one for a while, pause the