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

chrome/browser/ui/webui/options/supervised_user_import_handler.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/webui/options/supervised_user_import_handler.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
@@ skipping 16 matching lines @@
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/browser/signin_error_controller.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/theme_resources.h"
 
 namespace {
 
-scoped_ptr<base::ListValue> GetAvatarIcons() {
-  scoped_ptr<base::ListValue> avatar_icons(new base::ListValue);
+std::unique_ptr<base::ListValue> GetAvatarIcons() {
+  std::unique_ptr<base::ListValue> avatar_icons(new base::ListValue);
   for (size_t i = 0; i < profiles::GetDefaultAvatarIconCount(); ++i) {
     std::string avatar_url = profiles::GetDefaultAvatarIconUrl(i);
     avatar_icons->Append(new base::StringValue(avatar_url));
   }
 
   return avatar_icons;
 }
 
 bool ProfileIsLegacySupervised(const base::FilePath& profile_path) {
   ProfileAttributesEntry* entry;
@@ skipping 243 matching lines @@
     const std::string& key) {
   if (key == supervised_users::kChromeAvatarIndex)
     FetchSupervisedUsers();
 }
 
 void SupervisedUserImportHandler::OnErrorChanged() {
   FetchSupervisedUsers();
 }
 
 }  // namespace options