chrome: Use stl utilities from the base namespace

chrome/browser/ui/webui/options/browser_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/browser_options_handler.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <utility>
@@ skipping 2194 matching lines @@
       "BrowserOptions.setMetricsReportingCheckboxState",
       base::FundamentalValue(checked), base::FundamentalValue(policy_managed),
       base::FundamentalValue(owner_managed));
 }
 
 void BrowserOptionsHandler::OnPolicyUpdated(const policy::PolicyNamespace& ns,
                                             const policy::PolicyMap& previous,
                                             const policy::PolicyMap& current) {
   std::set<std::string> different_keys;
   current.GetDifferingKeys(previous, &different_keys);
-  if (ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
+  if (base::ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
     SetupMetricsReportingCheckbox();
 }
 
 bool BrowserOptionsHandler::IsDeviceOwnerProfile() {
 #if defined(OS_CHROMEOS)
   return chromeos::ProfileHelper::IsOwnerProfile(Profile::FromWebUI(web_ui()));
 #else
   return true;
 #endif
 }
 
 }  // namespace options