Use IPC::Sender and IPC::Listener in content.

content/browser/renderer_host/p2p/socket_host.h

Index: content/browser/renderer_host/p2p/socket_host.h
diff --git a/content/browser/renderer_host/p2p/socket_host.h b/content/browser/renderer_host/p2p/socket_host.h
index 8bf34ec7dccc94f6b103f4b4c9167113e248642d..a7dcade31902a022491e66ffbf0abe527a27cc0c 100644
--- a/content/browser/renderer_host/p2p/socket_host.h
+++ b/content/browser/renderer_host/p2p/socket_host.h
@@ -17,7 +17,7 @@ namespace content {
 class CONTENT_EXPORT P2PSocketHost {
  public:
   // Creates P2PSocketHost of the specific type.
-  static P2PSocketHost* Create(IPC::Message::Sender* message_sender,
+  static P2PSocketHost* Create(IPC::Sender* message_sender,
                                int routing_id, int id, P2PSocketType type);
 
   virtual ~P2PSocketHost();
@@ -68,7 +68,7 @@ class CONTENT_EXPORT P2PSocketHost {
   // see crbug.com/91495 .
   static const int kMaxSendBufferSize = 256 * 1024;
 
-  P2PSocketHost(IPC::Message::Sender* message_sender, int routing_id, int id);
+  P2PSocketHost(IPC::Sender* message_sender, int routing_id, int id);
 
   // Verifies that the packet |data| has a valid STUN header. In case
   // of success stores type of the message in |type|.
@@ -76,7 +76,7 @@ class CONTENT_EXPORT P2PSocketHost {
                                 StunMessageType* type);
   static bool IsRequestOrResponse(StunMessageType type);
 
-  IPC::Message::Sender* message_sender_;
+  IPC::Sender* message_sender_;
   int routing_id_;
   int id_;
   State state_;