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

chrome/browser/ui/webui/options/chromeos/core_chromeos_options_handler.cc

 // 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.
 
 #include "chrome/browser/ui/webui/options/chromeos/core_chromeos_options_handler.h"
 
 #include <stddef.h>
 #include <string>
 #include <utility>
 
@@ skipping 392 matching lines @@
     // policy/extension.
     NotifyPrefChanged(prefs::kUseSharedProxies, proxy_config::prefs::kProxy);
     return;
   }
   ::options::CoreOptionsHandler::OnPreferenceChanged(service, pref_name);
 }
 
 void CoreChromeOSOptionsHandler::NotifySettingsChanged(
     const std::string& setting_name) {
   DCHECK(CrosSettings::Get()->IsCrosSettings(setting_name));
-  scoped_ptr<base::Value> value(FetchPref(setting_name));
+  std::unique_ptr<base::Value> value(FetchPref(setting_name));
   if (!value.get())
     NOTREACHED();
   DispatchPrefChangeNotification(setting_name, std::move(value));
 }
 
 void CoreChromeOSOptionsHandler::NotifyProxyPrefsChanged() {
   proxy_config_service_.UpdateFromPrefs();
   for (size_t i = 0; i < kProxySettingsCount; ++i) {
     base::Value* value = NULL;
     proxy_cros_settings_parser::GetProxyPrefValue(
         proxy_config_service_, kProxySettings[i], &value);
     DCHECK(value);
-    scoped_ptr<base::Value> ptr(value);
+    std::unique_ptr<base::Value> ptr(value);
     DispatchPrefChangeNotification(kProxySettings[i], std::move(ptr));
   }
 }
 
 }  // namespace options
 }  // namespace chromeos