Decouple MediaSession messages from WebContents (full patch)

content/browser/media/session/media_session_controller.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 "content/browser/media/session/media_session_controller.h"
 
 #include "content/browser/media/media_web_contents_observer.h"
-#include "content/browser/media/session/media_session.h"
+#include "content/browser/media/session/media_session_impl.h"
 #include "content/common/media/media_player_delegate_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "media/base/media_content_type.h"
 
 namespace content {
 
 MediaSessionController::MediaSessionController(
     const WebContentsObserver::MediaPlayerId& id,
     MediaWebContentsObserver* media_web_contents_observer)
     : id_(id),
       media_web_contents_observer_(media_web_contents_observer),
       media_session_(
-          MediaSession::Get(media_web_contents_observer_->web_contents())) {}
+          MediaSessionImpl::Get(media_web_contents_observer_->web_contents())) {
+}
 
 MediaSessionController::~MediaSessionController() {
   if (!has_session_)
     return;
   media_session_->RemovePlayer(this, player_id_);
 }
 
 bool MediaSessionController::Initialize(
     bool has_audio,
     bool is_remote,
@@ skipping 62 matching lines @@
 }
 
 void MediaSessionController::OnPlaybackPaused() {
   // We check for suspension here since the renderer may issue its own pause
   // in response to or while a pause from the browser is in flight.
   if (!media_session_->IsSuspended())
     media_session_->OnPlayerPaused(this, player_id_);
 }
 
 }  // namespace content