Convert //remoting to use std::unique_ptr

remoting/signaling/signal_strategy.h

Index: remoting/signaling/signal_strategy.h
diff --git a/remoting/signaling/signal_strategy.h b/remoting/signaling/signal_strategy.h
index 499159c14250e5cbd2ea878a070c284069a6d4df..479f8b7a4ff68de589e5b041e2eac1169aaa230a 100644
--- a/remoting/signaling/signal_strategy.h
+++ b/remoting/signaling/signal_strategy.h
@@ -5,10 +5,10 @@
 #ifndef REMOTING_SIGNALING_SIGNAL_STRATEGY_H_
 #define REMOTING_SIGNALING_SIGNAL_STRATEGY_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace buzz {
 class XmlElement;
@@ -87,7 +87,7 @@ class SignalStrategy {
   virtual void RemoveListener(Listener* listener) = 0;
 
   // Sends a raw XMPP stanza. Returns false if the stanza couldn't be send.
-  virtual bool SendStanza(scoped_ptr<buzz::XmlElement> stanza) = 0;
+  virtual bool SendStanza(std::unique_ptr<buzz::XmlElement> stanza) = 0;
 
   // Returns new ID that should be used for the next outgoing IQ
   // request.