Convert //remoting to use std::unique_ptr

remoting/protocol/v2_authenticator.h

Index: remoting/protocol/v2_authenticator.h
diff --git a/remoting/protocol/v2_authenticator.h b/remoting/protocol/v2_authenticator.h
index 770d86f888f8bab671b352bf84aa986bc04dad7f..336678d6eb2b955aeee9ef3bf884708ae0f686a0 100644
--- a/remoting/protocol/v2_authenticator.h
+++ b/remoting/protocol/v2_authenticator.h
@@ -5,6 +5,7 @@
 #ifndef REMOTING_PROTOCOL_V2_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_V2_AUTHENTICATOR_H_
 
+#include <memory>
 #include <queue>
 #include <string>
 
@@ -12,7 +13,6 @@
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "crypto/p224_spake.h"
 #include "remoting/protocol/authenticator.h"
 
@@ -26,11 +26,11 @@ class V2Authenticator : public Authenticator {
  public:
   static bool IsEkeMessage(const buzz::XmlElement* message);
 
-  static scoped_ptr<Authenticator> CreateForClient(
+  static std::unique_ptr<Authenticator> CreateForClient(
       const std::string& shared_secret,
       State initial_state);
 
-  static scoped_ptr<Authenticator> CreateForHost(
+  static std::unique_ptr<Authenticator> CreateForHost(
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
       const std::string& shared_secret,
@@ -44,9 +44,10 @@ class V2Authenticator : public Authenticator {
   RejectionReason rejection_reason() const override;
   void ProcessMessage(const buzz::XmlElement* message,
                       const base::Closure& resume_callback) override;
-  scoped_ptr<buzz::XmlElement> GetNextMessage() override;
+  std::unique_ptr<buzz::XmlElement> GetNextMessage() override;
   const std::string& GetAuthKey() const override;
-  scoped_ptr<ChannelAuthenticator> CreateChannelAuthenticator() const override;
+  std::unique_ptr<ChannelAuthenticator> CreateChannelAuthenticator()
+      const override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(V2AuthenticatorTest, InvalidSecret);