convert //mash to std::unique_ptr

mash/session/session.h

 // Copyright 2015 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 MASH_SESSION_SESSION_H_
 #define MASH_SESSION_SESSION_H_
 
 #include <map>
+#include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "mash/session/public/interfaces/session.mojom.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "mojo/public/cpp/bindings/interface_ptr_set.h"
 #include "mojo/shell/public/cpp/interface_factory.h"
 #include "mojo/shell/public/cpp/shell_client.h"
 
 namespace mojo {
 class Connection;
 }
 
@@ skipping 33 matching lines @@
 
   void StartScreenlock();
   void StopScreenlock();
 
   // Starts the application at |url|, running |restart_callback| if the
   // connection to the application is closed.
   void StartRestartableService(const std::string& url,
                                const base::Closure& restart_callback);
 
   mojo::Connector* connector_;
-  std::map<std::string, scoped_ptr<mojo::Connection>> connections_;
+  std::map<std::string, std::unique_ptr<mojo::Connection>> connections_;
   bool screen_locked_;
   mojo::BindingSet<mojom::Session> bindings_;
   mojo::InterfacePtrSet<mojom::ScreenlockStateListener> screenlock_listeners_;
 
   DISALLOW_COPY_AND_ASSIGN(Session);
 };
 
 }  // namespace session
 }  // namespace mash
 
 #endif  // MASH_SESSION_SESSION_H_