Implement media Cast button in Blink

content/browser/media/android/browser_media_player_manager.cc

 // 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.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include "base/android/scoped_java_ref.h"
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/media/android/browser_demuxer_android.h"
@@ skipping 499 matching lines @@
   if (player_id == fullscreen_player_id_)
     fullscreen_player_is_released_ = true;
 }
 
 void BrowserMediaPlayerManager::OnDestroyPlayer(int player_id) {
   RemovePlayer(player_id);
   if (fullscreen_player_id_ == player_id)
     fullscreen_player_id_ = -1;
 }
 
+void BrowserMediaPlayerManager::OnRequestRemotePlayback(int /* player_id */) {
+  // Does nothing if we don't have a remote player
+}
+
+void BrowserMediaPlayerManager::OnRequestRemotePlaybackControl(
+    int /* player_id */) {
+  // Does nothing if we don't have a remote player
+}
+
 void BrowserMediaPlayerManager::AddPlayer(MediaPlayerAndroid* player) {
   DCHECK(!GetPlayer(player->player_id()));
   players_.push_back(player);
 }
 
 void BrowserMediaPlayerManager::RemovePlayer(int player_id) {
   for (ScopedVector<MediaPlayerAndroid>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id) {
       ReleaseMediaResources(player_id);
@@ skipping 69 matching lines @@
     external_video_surface_container_->ReleaseExternalVideoSurface(player_id);
 #endif  // defined(VIDEO_HOLE)
 }
 
 void BrowserMediaPlayerManager::ReleasePlayer(MediaPlayerAndroid* player) {
   player->Release();
   ReleaseMediaResources(player->player_id());
 }
 
 }  // namespace content