Media Remoting: Don't auto suspend the media pipeline.

media/remoting/renderer_controller.h

Index: media/remoting/renderer_controller.h
diff --git a/media/remoting/renderer_controller.h b/media/remoting/renderer_controller.h
index b9426f549b87ee1fe2fa0a03fd1f6cd7ccad08b2..bc7d6e39879b9f48da557e934255b9d262e4fe5a 100644
--- a/media/remoting/renderer_controller.h
+++ b/media/remoting/renderer_controller.h
@@ -44,10 +44,7 @@ class RendererController final : public SharedSession::Client,
   void OnPlaying() override;
   void OnPaused() override;
   void OnSetPoster(const GURL& poster) override;
-
-  void SetSwitchRendererCallback(const base::Closure& cb);
-  void SetRemoteSinkAvailableChangedCallback(
-      const base::Callback<void(bool)>& cb);
+  void SetClient(MediaObserverClient* client) override;
 
   using ShowInterstitialCallback = base::Callback<
       void(const SkBitmap&, const gfx::Size&, InterstitialType type)>;
@@ -172,12 +169,6 @@ class RendererController final : public SharedSession::Client,
   // and never start again for the lifetime of this controller.
   bool encountered_renderer_fatal_error_ = false;
 
-  // The callback to switch the media renderer.
-  base::Closure switch_renderer_cb_;
-
-  // Called when remoting sink availability is changed.
-  base::Callback<void(bool)> sink_available_changed_cb_;
-
   // This is initially the SharedSession passed to the ctor, and might be
   // replaced with a different instance later if OnSetCdm() is called.
   scoped_refptr<SharedSession> session_;
@@ -213,6 +204,9 @@ class RendererController final : public SharedSession::Client,
   // Records session events of interest.
   SessionMetricsRecorder metrics_recorder_;
 
+  // Not own by this class. Can only be set once by calling SetClient().
+  MediaObserverClient* client_ = nullptr;
+
   base::WeakPtrFactory<RendererController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererController);