Pass media session id over IPC

media/blink/webmediaplayer_cast_android.cc

 // 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.
 
 #include "media/blink/webmediaplayer_cast_android.h"
 
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/blink/webgraphicscontext3d_impl.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "media/base/android/media_common_android.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/blink/webmediaplayer_impl.h"
 #include "media/blink/webmediaplayer_params.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
+#include "third_party/WebKit/public/platform/modules/mediasession/WebMediaSession.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/gpu/GrContext.h"
 #include "third_party/skia/include/gpu/SkGrPixelRef.h"
 
 using gpu::gles2::GLES2Interface;
 
@@ skipping 141 matching lines @@
 
     player_manager_->UnregisterMediaPlayer(player_id_);
   }
 }
 
 void WebMediaPlayerCast::Initialize(const GURL& url,
                                     blink::WebLocalFrame* frame,
                                     int delegate_id) {
   player_manager_->Initialize(MEDIA_PLAYER_TYPE_REMOTE_ONLY, player_id_, url,
                               frame->document().firstPartyForCookies(), 0,
-                              frame->document().url(), true, delegate_id);
+                              frame->document().url(), true, delegate_id,
+                              blink::WebMediaSession::DefaultID);
   is_player_initialized_ = true;
 }
 
 void WebMediaPlayerCast::SetMediaPlayerManager(
     RendererMediaPlayerManagerInterface* media_player_manager) {
   player_manager_ = media_player_manager;
   player_id_ = player_manager_->RegisterMediaPlayer(this);
 }
 
 void WebMediaPlayerCast::requestRemotePlayback() {
@@ skipping 180 matching lines @@
 
   if (!canvas_size.width())
     return nullptr;
 
   return MakeTextFrameForCast(remote_playback_message_, canvas_size,
                               webmediaplayer_->naturalSize(),
                               base::Bind(&GLCBShim, context_3d_cb_));
 }
 
 }  // namespace media