Implement media Cast button in Blink

content/renderer/media/android/renderer_media_player_manager.h

 // Copyright 2013 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_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 55 matching lines @@
 
   // Sets the poster image.
   void SetPoster(int player_id, const GURL& poster);
 
   // Releases resources for the player.
   void ReleaseResources(int player_id);
 
   // Destroys the player in the browser process
   void DestroyPlayer(int player_id);
 
+  // Requests remote playback if possible
+  void RequestRemotePlayback(int player_id);
+
+  // Requests control of remote playback
+  void RequestRemotePlaybackControl(int player_id);
+
   // Requests the player to enter fullscreen.
   void EnterFullscreen(int player_id, blink::WebFrame* frame);
 
   // Requests the player to exit fullscreen.
   void ExitFullscreen(int player_id);
 
   // Requests the player with |player_id| to use the CDM with |cdm_id|.
   // Does nothing if |cdm_id| is kInvalidCdmId.
   // TODO(xhwang): Update this when we implement setCdm(0).
   void SetCdm(int player_id, int cdm_id);
@@ skipping 54 matching lines @@
                     base::TimeTicks current_time_ticks);
   void OnMediaPlayerReleased(int player_id);
   void OnConnectedToRemoteDevice(int player_id,
       const std::string& remote_playback_message);
   void OnDisconnectedFromRemoteDevice(int player_id);
   void OnDidExitFullscreen(int player_id);
   void OnDidEnterFullscreen(int player_id);
   void OnPlayerPlay(int player_id);
   void OnPlayerPause(int player_id);
   void OnRequestFullscreen(int player_id);
+  void OnRemoteRouteAvailabilityChanged(int player_id, bool routes_available);
   void OnPauseVideo();
 
   // Release all video player resources.
   // If something is in progress the resource will not be freed. It will
   // only be freed once the tab is destroyed or if the user navigates away
   // via WebMediaPlayerAndroid::Destroy.
   void ReleaseVideoResources();
 
   // Info for all available WebMediaPlayerAndroid on a page; kept so that
   // we can enumerate them to send updates about tab focus and visibility.
   std::map<int, WebMediaPlayerAndroid*> media_players_;
 
   int next_media_player_id_;
 
   // WebFrame of the fullscreen video.
   blink::WebFrame* fullscreen_frame_;
 
   // WebFrame of pending fullscreen request.
   blink::WebFrame* pending_fullscreen_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererMediaPlayerManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_