Replace scoped_ptr with unique_ptr in webrtc/libjingle/

webrtc/libjingle/xmpp/xmpptask.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_LIBJINGLE_XMPP_XMPPTASK_H_
 #define WEBRTC_LIBJINGLE_XMPP_XMPPTASK_H_
 
 #include <deque>
+#include <memory>
 #include <string>
+
 #include "webrtc/libjingle/xmpp/xmppengine.h"
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/sigslot.h"
 #include "webrtc/base/task.h"
 #include "webrtc/base/taskparent.h"
 
 namespace buzz {
 
 /////////////////////////////////////////////////////////////////////
 //
@@ skipping 127 matching lines @@
   // Returns true if the task is under the specified rate limit and updates the
   // rate limit accordingly
   bool VerifyTaskRateLimit(const std::string task_name, int max_count,
                            int per_x_seconds);
 
 private:
   void StopImpl();
 
   bool stopped_;
   std::deque<XmlElement*> stanza_queue_;
-  rtc::scoped_ptr<XmlElement> next_stanza_;
+  std::unique_ptr<XmlElement> next_stanza_;
   std::string id_;
 
 #if !defined(NDEBUG)
   bool debug_force_timeout_;
 #endif
 };
 
 }  // namespace buzz
 
 #endif // WEBRTC_LIBJINGLE_XMPP_XMPPTASK_H_