Include <utility> in files that use std::move() in remoting/protocol.

remoting/protocol/content_description.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/protocol/content_description.h"
 
+#include <utility>
+
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "remoting/base/constants.h"
 #include "remoting/protocol/authenticator.h"
 #include "remoting/protocol/name_value_map.h"
 #include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
 
 using buzz::QName;
 using buzz::XmlElement;
@@ skipping 217 matching lines @@
   const XmlElement* child = Authenticator::FindAuthenticatorMessage(element);
   if (child)
     authenticator_message.reset(new XmlElement(*child));
 
   return make_scoped_ptr(new ContentDescription(
       std::move(config), std::move(authenticator_message)));
 }
 
 }  // namespace protocol
 }  // namespace remoting