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

media/remoting/renderer_controller.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_REMOTING_RENDERER_CONTROLLER_H_
 #define MEDIA_REMOTING_RENDERER_CONTROLLER_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
@@ skipping 26 matching lines @@
   // MediaObserver implementation.
   void OnEnteredFullscreen() override;
   void OnExitedFullscreen() override;
   void OnBecameDominantVisibleContent(bool is_dominant) override;
   void OnSetCdm(CdmContext* cdm_context) override;
   void OnMetadataChanged(const PipelineMetadata& metadata) override;
   void OnRemotePlaybackDisabled(bool disabled) override;
   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)>;
   // Called by the CourierRenderer constructor to set the callback to draw and
   // show remoting interstial.
   void SetShowInterstitialCallback(const ShowInterstitialCallback& cb);
   using DownloadPosterCallback =
       base::Callback<void(const GURL&,
                           const base::Callback<void(const SkBitmap&)>&)>;
   // Set the callback to download poster image.
@@ skipping 104 matching lines @@
 
   // Indicates whether OnRendererFatalError() has been called. This indicates
   // one of several possible problems: 1) An environmental problem such as
   // out-of-memory, insufficient network bandwidth, etc. 2) The receiver may
   // have been unable to play-out the content correctly (e.g., not capable of a
   // high frame rate at a high resolution). 3) An implementation bug. In any
   // case, once a renderer encounters a fatal error, remoting will be shut down
   // 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_;
 
   // This is used to check all the methods are called on the current thread in
   // debug builds.
   base::ThreadChecker thread_checker_;
 
   // Current pipeline metadata.
   PipelineMetadata pipeline_metadata_;
@@ skipping 15 matching lines @@
   GURL poster_url_;
 
   // The callback to download the poster image. Called when |poster_url_|
   // changes during a remoting session or the show interstial callback is set.
   // OnPosterImageDownloaded() will be called when download completes.
   DownloadPosterCallback download_poster_cb_;
 
   // Records session events of interest.
   SessionMetricsRecorder metrics_recorder_;
 
+  MediaObserverClient* client_;  // Outlives this class.
+
   base::WeakPtrFactory<RendererController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererController);
 };
 
 }  // namespace remoting
 }  // namespace media
 
 #endif  // MEDIA_REMOTING_RENDERER_CONTROLLER_H_