[scheduler] Teach scheduler about audio state

third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h

Index: third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
diff --git a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
index 2a865e880158a249099df7e66d6f0d4474ae05f1..b8125e721b03c00b894a69dcda28cf373d131fe3 100644
--- a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
+++ b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
@@ -127,6 +127,11 @@ class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler {
   // Must be called on the main thread.
   virtual void OnRendererForegrounded() = 0;
 
+  // Tells the scheduler that the renderer process has started or stopped
+  // playing audio.
+  // Must be called on main thread.

[Sami, 2016/09/30 11:52:09]

nit: move to previous line.

[altimin, 2016/10/03 11:15:26]

Acknowledged.

+  virtual void OnAudioStateChanged(bool is_audio_active) = 0;

[Sami, 2016/09/30 11:52:09]

nit: is_playing for consistency with the impls (or the other way around).

[altimin, 2016/10/03 11:15:26]

Acknowledged.

+
   // Tells the scheduler that the render process should be suspended. This can
   // only be done when the renderer is backgrounded. The renderer will be
   // automatically resumed when foregrounded.