Rename base::FieldTrialList::RegistrationList --> RegistrationMap.

base/metrics/field_trial.h

 // 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.
 
 // FieldTrial is a class for handling details of statistical experiments
 // performed by actual users in the field (i.e., in a shipped or beta product).
 // All code is called exclusively on the UI thread currently.
 //
 // The simplest example is an experiment to see whether one of two options
 // produces "better" results across our user population.  In that scenario, UMA
@@ skipping 423 matching lines @@
   static void RemoveObserver(Observer* observer);
 
   // Notify all observers that a group has been finalized for |field_trial|.
   static void NotifyFieldTrialGroupSelection(FieldTrial* field_trial);
 
   // Return the number of active field trials.
   static size_t GetFieldTrialCount();
 
  private:
   // A map from FieldTrial names to the actual instances.
-  typedef std::map<std::string, FieldTrial*> RegistrationList;
+  typedef std::map<std::string, FieldTrial*> RegistrationMap;
 
   // If one-time randomization is enabled, returns a weak pointer to the
   // corresponding EntropyProvider. Otherwise, returns NULL.
   static const FieldTrial::EntropyProvider*
       GetEntropyProviderForOneTimeRandomization();
 
   // Helper function should be called only while holding lock_.
   FieldTrial* PreLockedFind(const std::string& name);
 
   // Register() stores a pointer to the given trial in a global map.
   // This method also AddRef's the indicated trial.
   // This should always be called after creating a new FieldTrial instance.
   static void Register(FieldTrial* trial);
 
   static FieldTrialList* global_;  // The singleton of this class.
 
   // This will tell us if there is an attempt to register a field
   // trial or check if one-time randomization is enabled without
   // creating the FieldTrialList. This is not an error, unless a
   // FieldTrialList is created after that.
   static bool used_without_global_;
 
   // Lock for access to registered_.
   base::Lock lock_;
-  RegistrationList registered_;
+  RegistrationMap registered_;
 
   // Entropy provider to be used for one-time randomized field trials. If NULL,
   // one-time randomization is not supported.
   scoped_ptr<const FieldTrial::EntropyProvider> entropy_provider_;
 
   // List of observers to be notified when a group is selected for a FieldTrial.
   scoped_refptr<ObserverListThreadSafe<Observer> > observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FieldTrialList);
 };
 
 }  // namespace base
 
 #endif  // BASE_METRICS_FIELD_TRIAL_H_