[scheduler] Teach scheduler about audio state

content/browser/renderer_host/media/audio_renderer_host.cc

Index: content/browser/renderer_host/media/audio_renderer_host.cc
diff --git a/content/browser/renderer_host/media/audio_renderer_host.cc b/content/browser/renderer_host/media/audio_renderer_host.cc
index 77d21c86e51dc525f88568942af8f70d8a094911..4f031795eef8596c74894e863afbded95a51d979 100644
--- a/content/browser/renderer_host/media/audio_renderer_host.cc
+++ b/content/browser/renderer_host/media/audio_renderer_host.cc
@@ -75,14 +75,15 @@ bool IsValidDeviceId(const std::string& device_id) {
   return true;
 }
 
-void NotifyRenderProcessHostThatAudioStateChanged(int render_process_id) {
+void NotifyRenderProcessHostThatAudioStateChanged(int render_process_id,
+                                                  bool is_audio_active) {

[Sami, 2016/09/29 13:36:07]

nit: also call this is_playing? (elsewhere too)

[altimin, 2016/09/29 16:29:42]

Done.

   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   RenderProcessHost* render_process_host =
       RenderProcessHost::FromID(render_process_id);
 
   if (render_process_host)
-    render_process_host->AudioStateChanged();
+    render_process_host->AudioStateChanged(is_audio_active);
 }
 
 void MaybeFixAudioParameters(media::AudioParameters* params) {
@@ -676,7 +677,7 @@ void AudioRendererHost::UpdateNumPlayingStreams(AudioEntry* entry,
       BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(&NotifyRenderProcessHostThatAudioStateChanged,
-                     render_process_id_));
+                     render_process_id_, is_playing));
     }
   } else {
     entry->set_playing(false);
@@ -685,7 +686,7 @@ void AudioRendererHost::UpdateNumPlayingStreams(AudioEntry* entry,
       BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(&NotifyRenderProcessHostThatAudioStateChanged,
-                     render_process_id_));
+                     render_process_id_, is_playing));
     }
   }
 }