Adding a skeleton MediaStreamCenter.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index b892a801d869a64299ed87bec767cb9c51f3f711..d1874764924a215482197bbe9e36c1dd4ec0ee57 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -120,6 +120,8 @@ class WebIconURL;
 class WebImage;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
+class WebMediaStreamCenter;
+class WebMediaStreamCenterClient;
 class WebMouseEvent;
 class WebPeerConnectionHandler;
 class WebPeerConnectionHandlerClient;
@@ -221,6 +223,12 @@ class RenderViewImpl : public RenderWidget,
   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);