Move creation of PeerConnection from the RenderView to the RenderThreadImpl.

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 77773a1d36e17985b47d564bdcb1e4757973d4fa..d8f379866084d100a31d18ab135383308358fce5 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -32,6 +32,7 @@ class DevToolsAgentFilter;
 class DomStorageDispatcher;
 class GpuChannelHost;
 class IndexedDBDispatcher;
+class MediaStreamDependencyFactory;
 class RendererWebKitPlatformSupportImpl;
 class SkBitmap;
 class VideoCaptureImplManager;
@@ -201,11 +202,16 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
     return audio_message_filter_.get();
   }
 
+
+
   // Creates the embedder implementation of WebMediaStreamCenter.
   // The resulting object is owned by WebKit and deleted by WebKit at tear-down.
   WebKit::WebMediaStreamCenter* CreateMediaStreamCenter(
       WebKit::WebMediaStreamCenterClient* client);
 
+  // Returns a factory used for creating RTC PeerConnection objects.
+  MediaStreamDependencyFactory* GetMediaStreamDependencyFactory();
+
   // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
   content::P2PSocketDispatcher* p2p_socket_dispatcher() {
     return p2p_socket_dispatcher_.get();
@@ -323,6 +329,8 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
   scoped_refptr<AudioMessageFilter> audio_message_filter_;
   scoped_refptr<DevToolsAgentFilter> devtools_agent_message_filter_;
 
+  scoped_ptr<MediaStreamDependencyFactory> media_stream_factory_;
+
   // Dispatches all P2P sockets.
   scoped_refptr<content::P2PSocketDispatcher> p2p_socket_dispatcher_;