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

chrome/browser/ui/webui/chromeos/login/network_dropdown.h

 // Copyright (c) 2012 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_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/chromeos/status/network_menu.h"
@@ skipping 47 matching lines @@
   void Refresh();
 
  private:
   void SetNetworkIconAndText();
 
   // Request a network scan and refreshes control state. Should be called
   // by |network_scan_timer_| only.
   void RequestNetworkScan();
 
   // The Network menu.
-  scoped_ptr<NetworkMenuWebUI> network_menu_;
+  std::unique_ptr<NetworkMenuWebUI> network_menu_;
 
   Actor* actor_;
 
   content::WebUI* web_ui_;
 
   // Is the dropdown shown on one of the OOBE screens.
   bool oobe_;
 
   // Timer used to periodically force network scan.
   base::RepeatingTimer network_scan_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkDropdown);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_