[scheduler] Teach scheduler about audio state

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 96b146c1eae5acbafd31e62e2dc796d19a50b033..65886a9f571812aaf92074bb8aed610aa44990b3 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1737,6 +1737,12 @@ void RenderThreadImpl::OnProcessBackgrounded(bool backgrounded) {
   }
 }
 
+void RenderThreadImpl::OnAudioStateChanged(bool is_audio_playing) {
+  ChildThreadImpl::OnAudioStateChanged(is_audio_playing);
+
+  renderer_scheduler_->OnAudioStateChanged(is_audio_playing);
+}
+
 void RenderThreadImpl::OnProcessPurgeAndSuspend() {
   ChildThreadImpl::OnProcessPurgeAndSuspend();
   if (is_renderer_suspended_)