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

content/browser/renderer_host/p2p/socket_dispatcher_host.h

Index: content/browser/renderer_host/p2p/socket_dispatcher_host.h
diff --git a/content/browser/renderer_host/p2p/socket_dispatcher_host.h b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
index f44bfd56791c8e9525c56f5fc32af3018567a127..6f7f4e5995026ef89306579272b0f5b3d5e9cd63 100644
--- a/content/browser/renderer_host/p2p/socket_dispatcher_host.h
+++ b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
@@ -40,34 +40,30 @@ class P2PSocketDispatcherHost
   friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
   friend class base::DeleteHelper<P2PSocketDispatcherHost>;
 
-  typedef std::pair<int32, int> ExtendedSocketId;
-  typedef std::map<ExtendedSocketId, P2PSocketHost*> SocketsMap;
+  typedef std::map<int, P2PSocketHost*> SocketsMap;
 
   class DnsRequest;
 
-  P2PSocketHost* LookupSocket(int32 routing_id, int socket_id);
+  P2PSocketHost* LookupSocket(int socket_id);
 
   // Handlers for the messages coming from the renderer.
   void OnStartNetworkNotifications(const IPC::Message& msg);
   void OnStopNetworkNotifications(const IPC::Message& msg);
 
-  void OnGetHostAddress(const IPC::Message& msg,
-                        const std::string& host_name,
+  void OnGetHostAddress(const std::string& host_name,
                         int32 request_id);
 
-  void OnCreateSocket(const IPC::Message& msg,
-                      P2PSocketType type,
+  void OnCreateSocket(P2PSocketType type,
                       int socket_id,
                       const net::IPEndPoint& local_address,
                       const net::IPEndPoint& remote_address);
-  void OnAcceptIncomingTcpConnection(const IPC::Message& msg,
-                                     int listen_socket_id,
+  void OnAcceptIncomingTcpConnection(int listen_socket_id,
                                      const net::IPEndPoint& remote_address,
                                      int connected_socket_id);
-  void OnSend(const IPC::Message& msg, int socket_id,
+  void OnSend(int socket_id,
               const net::IPEndPoint& socket_address,
               const std::vector<char>& data);
-  void OnDestroySocket(const IPC::Message& msg, int socket_id);
+  void OnDestroySocket(int socket_id);
 
   void DoGetNetworkList();
   void SendNetworkList(const net::NetworkInterfaceList& list);
@@ -81,10 +77,6 @@ class P2PSocketDispatcherHost
 
   bool monitoring_networks_;
 
-  // List or routing IDs for the hosts that have subscribed to the
-  // network list notifications.
-  std::set<int> notifications_routing_ids_;
-
   std::set<DnsRequest*> dns_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketDispatcherHost);