Refactor the P2PSocketDispatcher to be created on the RenderThread instead of the RenderView.

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 f52de9abcc0ac0a442a4e0266d2ec91b52a56835..5ea505e6a6cd6ebf962ea0ae9e0559610ef045d0 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -98,7 +98,6 @@ class WebUIBindings;
 namespace content {
 class DocumentState;
 class NavigationState;
-class P2PSocketDispatcher;
 class RenderViewObserver;
 class RenderViewTest;
 class RendererAccessibility;
@@ -257,11 +256,6 @@ class RenderViewImpl : public RenderWidget,
     return media_stream_dispatcher_;
   }
 
-  // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
-  content::P2PSocketDispatcher* p2p_socket_dispatcher() {
-    return p2p_socket_dispatcher_;
-  }
-
   MouseLockDispatcher* mouse_lock_dispatcher() {
     return mouse_lock_dispatcher_;
   }
@@ -1379,9 +1373,6 @@ class RenderViewImpl : public RenderWidget,
   // MediaStreamImpl attached to this view; lazily initialized.
   MediaStreamImpl* media_stream_impl_;
 
-  // Dispatches all P2P socket used by the renderer.
-  content::P2PSocketDispatcher* p2p_socket_dispatcher_;
-
   DevToolsAgent* devtools_agent_;
 
   // The current accessibility mode.