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

chrome/browser/chromeos/profiles/profile_list_chromeos.h

 // Copyright 2013 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_PROFILES_PROFILE_LIST_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_LIST_CHROMEOS_H_
 
-#include "chrome/browser/profiles/profile_list.h"
-
 #include <stddef.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/profiles/profile_list.h"
 
 class ProfileAttributesStorage;
 
 namespace chromeos {
 
 // This model represents profiles corresponding to logged-in ChromeOS users.
 class ProfileListChromeOS : public ProfileList {
  public:
   explicit ProfileListChromeOS(ProfileAttributesStorage* profile_storage);
   ~ProfileListChromeOS() override;
 
  private:
   // ProfileList overrides:
   size_t GetNumberOfItems() const override;
   const AvatarMenu::Item& GetItemAt(size_t index) const override;
   void RebuildMenu() override;
   size_t MenuIndexFromProfilePath(const base::FilePath& path) const override;
   void ActiveProfilePathChanged(
       const base::FilePath& active_profile_path) override;
 
   // The storage that provides the profile attributes. Not owned.
   ProfileAttributesStorage* profile_storage_;
 
   // The path of the currently active profile.
   base::FilePath active_profile_path_;
 
   // List of built "menu items."
-  std::vector<scoped_ptr<AvatarMenu::Item>> items_;
+  std::vector<std::unique_ptr<AvatarMenu::Item>> items_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileListChromeOS);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_LIST_CHROMEOS_H_