Convert //chrome from scoped_ptr to std::unique_ptr

chrome/app/mash/mash_runner.h

 // Copyright 2016 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 CHROME_APP_MASH_MASH_RUNNER_H_
 #define CHROME_APP_MASH_MASH_RUNNER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "services/shell/public/interfaces/shell_client.mojom.h"
 
 namespace shell {
 class ShellClient;
 class ShellConnection;
 }
 
 // Responsible for running mash, both child and main processes.
 class MashRunner {
  public:
   MashRunner();
   ~MashRunner();
 
   void Run();
 
  private:
   void RunMain();
   void RunChild();
 
   void StartChildApp(shell::mojom::ShellClientRequest client_request);
 
-  scoped_ptr<shell::ShellClient> shell_client_;
-  scoped_ptr<shell::ShellConnection> shell_connection_;
+  std::unique_ptr<shell::ShellClient> shell_client_;
+  std::unique_ptr<shell::ShellConnection> shell_connection_;
 
   DISALLOW_COPY_AND_ASSIGN(MashRunner);
 };
 
 int MashMain();
 
 #endif  // CHROME_APP_MASH_MASH_RUNNER_H_