Adding a skeleton MediaStreamCenter.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index aa61f8ca9f634db94875cb9ff6f1bbb5ddd8f8ef..346ef2d64f7330af78f71a9257d00c18ba56e788 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -215,11 +215,15 @@ using WebKit::WebIntentServiceInfo;
 using WebKit::WebMediaPlayer;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebMediaPlayerClient;
+using WebKit::WebMediaStreamCenter;
+using WebKit::WebMediaStreamCenterClient;
 using WebKit::WebNavigationPolicy;
 using WebKit::WebNavigationType;
 using WebKit::WebNode;
 using WebKit::WebPageSerializer;
 using WebKit::WebPageSerializerClient;
+using WebKit::WebPeerConnectionHandler;
+using WebKit::WebPeerConnectionHandlerClient;
 using WebKit::WebPlugin;
 using WebKit::WebPluginAction;
 using WebKit::WebPluginContainer;
@@ -618,8 +622,8 @@ RenderViewImpl* RenderViewImpl::Create(
       next_page_id);  // adds reference
 }
 
-WebKit::WebPeerConnectionHandler* RenderViewImpl::CreatePeerConnectionHandler(
-    WebKit::WebPeerConnectionHandlerClient* client) {
+WebPeerConnectionHandler* RenderViewImpl::CreatePeerConnectionHandler(
+    WebPeerConnectionHandlerClient* client) {
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   if (!cmd_line->HasSwitch(switches::kEnableMediaStream))
     return NULL;
@@ -629,6 +633,15 @@ WebKit::WebPeerConnectionHandler* RenderViewImpl::CreatePeerConnectionHandler(
   return media_stream_impl_->CreatePeerConnectionHandler(client);
 }
 
+WebMediaStreamCenter* RenderViewImpl::CreateMediaStreamCenter(
+    WebMediaStreamCenterClient* client) {
+  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
+  if (!cmd_line->HasSwitch(switches::kEnableMediaStream))
+    return NULL;
+  EnsureMediaStreamImpl();
+  return media_stream_impl_->CreateMediaStreamCenter(client);
+}
+
 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
   observers_.AddObserver(observer);
 }