components: Use stl utilities from the base namespace

components/variations/variations_associated_data.cc

 // Copyright 2013 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/variations/variations_associated_data.h"
 
 #include <map>
 #include <utility>
 #include <vector>
 
@@ skipping 110 matching lines @@
 
   bool AssociateVariationParams(const std::string& trial_name,
                                 const std::string& group_name,
                                 const VariationParams& params) {
     base::AutoLock scoped_lock(lock_);
 
     if (base::FieldTrialList::IsTrialActive(trial_name))
       return false;
 
     const VariationKey key(trial_name, group_name);
-    if (ContainsKey(variation_params_, key))
+    if (base::ContainsKey(variation_params_, key))
       return false;
 
     variation_params_[key] = params;
     return true;
   }
 
   bool GetVariationParams(const std::string& trial_name,
                           VariationParams* params) {
     base::AutoLock scoped_lock(lock_);
 
     const std::string group_name =
         base::FieldTrialList::FindFullName(trial_name);
     const VariationKey key(trial_name, group_name);
-    if (!ContainsKey(variation_params_, key))
+    if (!base::ContainsKey(variation_params_, key))
       return false;
 
     *params = variation_params_[key];
     return true;
   }
 
   void ClearAllParamsForTesting() {
     base::AutoLock scoped_lock(lock_);
     variation_params_.clear();
   }
@@ skipping 124 matching lines @@
   GroupMapAccessor::GetInstance()->ClearAllMapsForTesting();
 }
 
 void ClearAllVariationParams() {
   VariationsParamAssociator::GetInstance()->ClearAllParamsForTesting();
 }
 
 }  // namespace testing
 
 }  // namespace variations