Tuning WebRTC audio focus type

content/renderer/media/webmediaplayer_ms.cc

Index: content/renderer/media/webmediaplayer_ms.cc
diff --git a/content/renderer/media/webmediaplayer_ms.cc b/content/renderer/media/webmediaplayer_ms.cc
index ecb27e684afc18d5af4752ee921830e7c0ca17ac..229ad6f42b7d4fd6c5873b4eb3ff628a6dc565d5 100644
--- a/content/renderer/media/webmediaplayer_ms.cc
+++ b/content/renderer/media/webmediaplayer_ms.cc
@@ -181,12 +181,16 @@ void WebMediaPlayerMS::play() {
     audio_renderer_->Play();
 
   if (delegate_) {
-    // TODO(perkj, magjed): We send a duration of 1 second here to avoid
-    // creating an interactive media session on Android. We'd like to use zero
-    // here, but that is treated as an unknown duration and assumed to be
-    // interactive. See http://crbug.com/595297 for more details.
+    // TODO(perkj, magjed): We use Uncontrollable type here to avoid creating an
+    // interactive media session on Android. See http://crbug.com/596516 for
+    // more details.
+#if defined(OS_ANDROID)
     delegate_->DidPlay(delegate_id_, hasVideo(), hasAudio(), false,
                        media::MediaContentType::Uncontrollable);
+#else  // defined(OS_ANDROID)
+    delegate_->DidPlay(delegate_id_, hasVideo(), hasAudio(), false,
+                       media::MediaContentType::Persistent);
+#endif  // defined(OS_ANDROID)
   }
 
   paused_ = false;
@@ -450,8 +454,7 @@ void WebMediaPlayerMS::OnPause() {
 }
 
 void WebMediaPlayerMS::OnVolumeMultiplierUpdate(double multiplier) {
-  volume_multiplier_ = multiplier;
-  setVolume(volume_);
+  // TODO(perkj, magjed): See TODO in Onplay().

[DaleCurtis, 2016/10/20 21:04:41]

OnPlay(), fix one on l.453 too?

[Zhiqiang Zhang (Slow), 2016/10/20 21:30:31]

Done.

 }
 
 bool WebMediaPlayerMS::copyVideoTextureToPlatformTexture(