Adding a skeleton MediaStreamCenter.

content/renderer/render_view_impl.h

 // Copyright (c) 2012 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_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 102 matching lines @@
 namespace WebKit {
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebDataSource;
 class WebDragData;
 class WebGeolocationClient;
 class WebIconURL;
 class WebImage;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
+class WebMediaStreamCenter;
+class WebMediaStreamCenterClient;
 class WebMouseEvent;
 class WebPeerConnectionHandler;
 class WebPeerConnectionHandlerClient;
 class WebSpeechInputController;
 class WebSpeechInputListener;
 class WebStorageNamespace;
 class WebTouchEvent;
 class WebURLLoader;
 class WebURLRequest;
 class WebUserMediaClient;
@@ skipping 81 matching lines @@
     return p2p_socket_dispatcher_;
   }
 
   MouseLockDispatcher* mouse_lock_dispatcher() {
     return mouse_lock_dispatcher_;
   }
 
   WebKit::WebPeerConnectionHandler* CreatePeerConnectionHandler(
       WebKit::WebPeerConnectionHandlerClient* client);
 
+  // Creates the embedder implementation of WebMediaStreamCenter.
+  // Only one is created per render process.

[piman, 2012/02/08 01:52:24]

This comment doesn't match the implementation: there seems to be one per
RenderViewImpl.

[tommyw, 2012/02/08 13:14:18]

Done.

+  // The resulting object is owned by WebKit and released at tear-down.
+  WebKit::WebMediaStreamCenter* CreateMediaStreamCenter(
+      WebKit::WebMediaStreamCenterClient* client);
+
   // Functions to add and remove observers for this object.
   void AddObserver(content::RenderViewObserver* observer);
   void RemoveObserver(content::RenderViewObserver* observer);
 
   // Adds the given file chooser request to the file_chooser_completion_ queue
   // (see that var for more) and requests the chooser be displayed if there are
   // no other waiting items in the queue.
   //
   // Returns true if the chooser was successfully scheduled. False means we
   // didn't schedule anything.
@@ skipping 1026 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_