Add render-side manager for MediaSession

content/renderer/render_frame_impl.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_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 100 matching lines @@
 class NavigationState;
 class NotificationPermissionDispatcher;
 class PageState;
 class PepperPluginInstanceImpl;
 class PermissionDispatcher;
 class PresentationDispatcher;
 class PushMessagingDispatcher;
 class RendererAccessibility;
 class RendererCdmManager;
 class RendererMediaPlayerManager;
+class RendererMediaSessionManager;
 class RendererPpapiHost;
 class RenderFrameObserver;
 class RenderViewImpl;
 class RenderWidget;
 class RenderWidgetFullscreenPepper;
 class ScreenOrientationDispatcher;
 class UserMediaClientImpl;
 class WakeLockDispatcher;
 struct CommonNavigationParams;
 struct CustomContextMenuContext;
@@ skipping 743 matching lines @@
   // the value of |pending_navigation_params_|.
   void UpdateNavigationState(DocumentState* document_state);
 
 #if defined(OS_ANDROID)
   blink::WebMediaPlayer* CreateAndroidWebMediaPlayer(
       blink::WebMediaPlayerClient* client,
       blink::WebMediaPlayerEncryptedMediaClient* encrypted_client,
       const media::WebMediaPlayerParams& params);
 
   RendererMediaPlayerManager* GetMediaPlayerManager();
+
+  RendererMediaSessionManager* GetMediaSessionManager();
 #endif
 
   bool AreSecureCodecsSupported();
 
   media::MediaPermission* GetMediaPermission();
 
 #if defined(ENABLE_MOJO_MEDIA)
   media::interfaces::ServiceFactory* GetMediaServiceFactory();
 
   // Called when a connection error happened on |media_service_factory_|.
@@ skipping 117 matching lines @@
 
 #if defined(ENABLE_MOJO_MEDIA)
   // The media factory attached to this frame, lazily initialized.
   media::interfaces::ServiceFactoryPtr media_service_factory_;
 #endif
 
   // MidiClient attached to this frame; lazily initialized.
   MidiDispatcher* midi_dispatcher_;
 
 #if defined(OS_ANDROID)
-  // Manages all media players in this render frame for communicating with the
-  // real media player in the browser process. It's okay to use a raw pointer
-  // since it's a RenderFrameObserver.
+  // Manages all media players and sessions in this render frame for
+  // communicating with the real media player and sessions in the
+  // browser process. It's okay to use raw pointers since they're both
+  // RenderFrameObservers.
   RendererMediaPlayerManager* media_player_manager_;
+  RendererMediaSessionManager* media_session_manager_;
 #endif
 
 #if defined(ENABLE_BROWSER_CDMS)
   // Manage all CDMs in this render frame for communicating with the real CDM in
   // the browser process. It's okay to use a raw pointer since it's a
   // RenderFrameObserver.
   RendererCdmManager* cdm_manager_;
 #endif
 
   // The CDM factory attached to this frame, lazily initialized.
@@ skipping 67 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_