Cleanup: Remove unneeded forward declarations from remoting.

remoting/protocol/jingle_datagram_connector.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_JINGLE_DATAGRAM_CONNECTOR_H_
 #define REMOTING_PROTOCOL_JINGLE_DATAGRAM_CONNECTOR_H_
 
+#include <string>
+
 #include "net/base/completion_callback.h"
 #include "remoting/protocol/jingle_channel_connector.h"
 #include "remoting/protocol/session.h"
 
-namespace cricket {
-class TransportChannel;
-}  // namespace cricket
-
 namespace jingle_glue {
 class TransportChannelSocketAdapter;
 }  // namespace jingle_glue
 
 namespace remoting {
 namespace protocol {
 
 class JingleSession;
 
 class JingleDatagramConnector : public JingleChannelConnector {
@@ skipping 17 matching lines @@
   std::string name_;
   Session::DatagramChannelCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(JingleDatagramConnector);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_JINGLE_DATAGRAM_CONNECTOR_H_