components: Use stl utilities from the base namespace

components/policy/core/common/config_dir_policy_loader.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 "components/policy/core/common/config_dir_policy_loader.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 194 matching lines @@
     LOG(WARNING) << "3rdparty value is not a dictionary!";
     return;
   }
 
   // Helper to lookup a domain given its string name.
   std::map<std::string, PolicyDomain> supported_domains;
   supported_domains["extensions"] = POLICY_DOMAIN_EXTENSIONS;
 
   for (base::DictionaryValue::Iterator domains_it(*domains_dictionary);
        !domains_it.IsAtEnd(); domains_it.Advance()) {
-    if (!ContainsKey(supported_domains, domains_it.key())) {
+    if (!base::ContainsKey(supported_domains, domains_it.key())) {
       LOG(WARNING) << "Unsupported 3rd party policy domain: "
                    << domains_it.key();
       continue;
     }
 
     const base::DictionaryValue* components_dictionary;
     if (!domains_it.value().GetAsDictionary(&components_dictionary)) {
       LOG(WARNING) << "3rdparty/" << domains_it.key()
                    << " value is not a dictionary!";
       continue;
@@ skipping 17 matching lines @@
   }
 }
 
 void ConfigDirPolicyLoader::OnFileUpdated(const base::FilePath& path,
                                           bool error) {
   if (!error)
     Reload(false);
 }
 
 }  // namespace policy