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

content/renderer/media/webrtc_local_audio_renderer.cc

Index: content/renderer/media/webrtc_local_audio_renderer.cc
diff --git a/content/renderer/media/webrtc_local_audio_renderer.cc b/content/renderer/media/webrtc_local_audio_renderer.cc
index 9746e0e113ea8f801f0c0c8832bbb8b7bf154b31..8f0f2edb7cd18eb057538b46b3dab797bd3286f8 100644
--- a/content/renderer/media/webrtc_local_audio_renderer.cc
+++ b/content/renderer/media/webrtc_local_audio_renderer.cc
@@ -32,8 +32,9 @@ enum LocalRendererSinkStates {
 }  // namespace
 
 // media::AudioRendererSink::RenderCallback implementation
-int WebRtcLocalAudioRenderer::Render(
-    media::AudioBus* audio_bus, int audio_delay_milliseconds) {
+int WebRtcLocalAudioRenderer::Render(media::AudioBus* audio_bus,
+                                     uint32_t audio_delay_milliseconds,
+                                     uint32_t frames_skipped) {
   TRACE_EVENT0("audio", "WebRtcLocalAudioRenderer::Render");
   base::AutoLock auto_lock(thread_lock_);