extensions: Use stl utilities from the base namespace

extensions/browser/api/declarative/rules_registry.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 "extensions/browser/api/declarative/rules_registry.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 314 matching lines @@
     UMA_HISTOGRAM_TIMES("Extensions.DeclarativeRulesStorageInitialization",
                         base::Time::Now() - storage_init_time);
   }
 
   ready_.Signal();
 }
 
 void RulesRegistry::ProcessChangedRules(const std::string& extension_id) {
   DCHECK_CURRENTLY_ON(owner_thread());
 
-  DCHECK(ContainsKey(process_changed_rules_requested_, extension_id));
+  DCHECK(base::ContainsKey(process_changed_rules_requested_, extension_id));
   process_changed_rules_requested_[extension_id] = NOT_SCHEDULED_FOR_PROCESSING;
 
   std::vector<linked_ptr<api::events::Rule>> new_rules;
   GetRules(extension_id, rules_, &new_rules);
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&RulesCacheDelegate::WriteToStorage, cache_delegate_,
                  extension_id, base::Passed(RulesToValue(new_rules))));
 }
 
@@ skipping 81 matching lines @@
   for (i = identifiers.begin(); i != identifiers.end(); ++i)
     used_rule_identifiers_[extension_id].erase(*i);
 }
 
 void RulesRegistry::RemoveAllUsedRuleIdentifiers(
     const std::string& extension_id) {
   used_rule_identifiers_.erase(extension_id);
 }
 
 }  // namespace extensions