Leak VariationsParamAssociator

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 91 matching lines @@
 
 // Singleton helper class that keeps track of the parameters of all variations
 // and ensures access to these is thread-safe.
 class VariationsParamAssociator {
  public:
   typedef std::pair<std::string, std::string> VariationKey;
   typedef std::map<std::string, std::string> VariationParams;
 
   // Retrieve the singleton.
   static VariationsParamAssociator* GetInstance() {
-    return base::Singleton<VariationsParamAssociator>::get();
+    return base::Singleton<
+        VariationsParamAssociator,
+        base::LeakySingletonTraits<VariationsParamAssociator>>::get();
   }
 
   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;
 
@@ skipping 106 matching lines @@
   GroupMapAccessor::GetInstance()->ClearAllMapsForTesting();
 }
 
 void ClearAllVariationParams() {
   VariationsParamAssociator::GetInstance()->ClearAllParamsForTesting();
 }
 
 }  // namespace testing
 
 }  // namespace variations