Plumb audio focus support for spitzer clients.

content/browser/media/android/media_session_controller.cc

Index: content/browser/media/android/media_session_controller.cc
diff --git a/content/browser/media/android/media_session_controller.cc b/content/browser/media/android/media_session_controller.cc
index f5ff8aac310fb62e66ad6c2440035d7bc0f52d2a..ea920f084a0ee6edf2c31b77af6ea342e8ff4427 100644
--- a/content/browser/media/android/media_session_controller.cc
+++ b/content/browser/media/android/media_session_controller.cc
@@ -75,18 +75,21 @@ bool MediaSessionController::Initialize(bool has_audio,
     return false;
   }
 
+  is_playing_ = true;
   has_session_ = true;
   return true;
 }
 
 void MediaSessionController::OnSuspend(int player_id) {
   DCHECK_EQ(player_id_, player_id);
+  is_playing_ = false;
   media_web_contents_observer_->Send(
       new MediaPlayerDelegateMsg_Pause(id_.first->GetRoutingID(), id_.second));
 }
 
 void MediaSessionController::OnResume(int player_id) {
   DCHECK_EQ(player_id_, player_id);
+  is_playing_ = true;
   media_web_contents_observer_->Send(
       new MediaPlayerDelegateMsg_Play(id_.first->GetRoutingID(), id_.second));
 }
@@ -104,6 +107,7 @@ void MediaSessionController::OnPlaybackPaused() {
   // in response to or while a pause from the browser is in flight.
   if (!media_session_->IsSuspended())
     media_session_->OnPlayerPaused(this, player_id_);
+  is_playing_ = false;
 }
 
 }  // namespace content