Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/chrome_interface_factory.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_BROWSER_CHROMEOS_CHROME_INTERFACE_FACTORY_H_
 #define CHROME_BROWSER_CHROMEOS_CHROME_INTERFACE_FACTORY_H_
 
 #include "content/public/common/mojo_shell_connection.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "mojo/shell/public/cpp/interface_factory.h"
@@ skipping 13 matching lines @@
 
  private:
   // content::MojoShellConnection::Listener:
   bool AcceptConnection(mojo::Connection* connection) override;
 
   // mojo::InterfaceFactory<keyboard::Keyboard>:
   void Create(
       mojo::Connection* connection,
       mojo::InterfaceRequest<keyboard::mojom::Keyboard> request) override;
 
-  scoped_ptr<KeyboardUIService> keyboard_ui_service_;
+  std::unique_ptr<KeyboardUIService> keyboard_ui_service_;
   mojo::BindingSet<keyboard::mojom::Keyboard> keyboard_bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeInterfaceFactory);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CHROME_INTERFACE_FACTORY_H_