Split MediaContentType and AudioFocusType

content/browser/media/session/media_session_controllers_manager.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 CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_CONTROLLERS_MANAGER_H_
 #define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_CONTROLLERS_MANAGER_H_
 
 #include <map>
 #include <memory>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "content/public/browser/web_contents_observer.h"  // For MediaPlayerId.
 
+namespace media {

[whywhat, 2016/08/18 20:33:42]

nit: ditto

[Zhiqiang Zhang (Slow), 2016/08/19 15:05:55]

Done.

+
+enum class MediaContentType;
+}
+
 namespace content {
 
 class MediaSessionController;
 class MediaWebContentsObserver;
 class RenderFrameHost;
 
 // MediaSessionControllersManager is a delegate of MediaWebContentsObserver that
 // handles MediaSessionController instances.
 class MediaSessionControllersManager {
  public:
   using MediaPlayerId = WebContentsObserver::MediaPlayerId;
 
   explicit MediaSessionControllersManager(
       MediaWebContentsObserver* media_web_contents_observer);
   ~MediaSessionControllersManager();
 
   // Clear all the MediaSessionController associated with the given
   // |render_frame_host|.
   void RenderFrameDeleted(RenderFrameHost* render_frame_host);
 
   // Called before a player starts playing. It will be added to the media
   // session and will have a controller associated with it.
   // Returns whether the player was added to the session and can start playing.
   bool RequestPlay(const MediaPlayerId& id,
                    bool has_audio,
                    bool is_remote,
-                   base::TimeDelta duration);
+                   media::MediaContentType media_content_type);
 
   // Called when the given player |id| has paused.
   void OnPause(const MediaPlayerId& id);
 
   // Called when the given player |id| has ended.
   void OnEnd(const MediaPlayerId& id);
 
  private:
   // Weak pointer because |this| is owned by |media_web_contents_observer_|.
   MediaWebContentsObserver* const media_web_contents_observer_;
 
   using ControllersMap =
       std::map<MediaPlayerId, std::unique_ptr<MediaSessionController>>;
   ControllersMap controllers_map_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaSessionControllersManager);
 };
 
 }  // namespace content
 
 #endif // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_CONTROLLERS_MANAGER_H_