Implement MediaSession on top of the WebMediaPlayerDelegate.

content/renderer/media/android/renderer_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/renderer/media/android/renderer_media_player_manager.h"
 
 #include "base/command_line.h"
 #include "content/common/media/media_player_messages_android.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/renderer/media/android/webmediaplayer_android.h"
 #include "content/renderer/media/cdm/renderer_cdm_manager.h"
+#include "content/renderer/media/renderer_webmediaplayer_delegate.h"
 #include "content/renderer/render_view_impl.h"
 #include "media/base/cdm_context.h"
 #include "media/base/media_switches.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 namespace content {
 
 RendererMediaPlayerManager::RendererMediaPlayerManager(
     RenderFrame* render_frame)
     : RenderFrameObserver(render_frame),
@@ skipping 64 matching lines @@
     const GURL& frame_url,
     bool allow_credentials) {
   MediaPlayerHostMsg_Initialize_Params media_player_params;
   media_player_params.type = type;
   media_player_params.player_id = player_id;
   media_player_params.demuxer_client_id = demuxer_client_id;
   media_player_params.url = url;
   media_player_params.first_party_for_cookies = first_party_for_cookies;
   media_player_params.frame_url = frame_url;
   media_player_params.allow_credentials = allow_credentials;
+  media_player_params.delegate_id =
+      media::RendererWebMediaPlayerDelegate::GetPlayerId(
+          media_players_[player_id]);
 
   Send(new MediaPlayerHostMsg_Initialize(routing_id(), media_player_params));
 }
 
 void RendererMediaPlayerManager::Start(int player_id) {
   Send(new MediaPlayerHostMsg_Start(routing_id(), player_id));
 }
 
 void RendererMediaPlayerManager::Pause(
     int player_id,
@@ skipping 215 matching lines @@
 
 bool
 RendererMediaPlayerManager::ShouldUseVideoOverlayForEmbeddedEncryptedVideo() {
   const RendererPreferences& prefs = static_cast<RenderFrameImpl*>(
       render_frame())->render_view()->renderer_preferences();
   return prefs.use_video_overlay_for_embedded_encrypted_video;
 }
 #endif  // defined(VIDEO_HOLE)
 
 }  // namespace content