Move active field trial API to variations component.

chrome/browser/metrics/metrics_log.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.
 
 // This file defines a set of user experience metrics data recorded by
 // the MetricsService.  This is the unit of data that is sent to the server.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_LOG_H_
 #define CHROME_BROWSER_METRICS_METRICS_LOG_H_
 
@@ skipping 23 matching lines @@
 }
 
 namespace content {
 struct WebPluginInfo;
 }
 
 namespace tracked_objects {
 struct ProcessDataSnapshot;
 }
 
-namespace chrome_variations {
+namespace variations {
 struct ActiveGroupId;
 }
 
 // This is a small helper struct to pass Google Update metrics in a single
 // reference argument to MetricsLog::RecordEnvironment().
 struct GoogleUpdateMetrics {
     GoogleUpdateMetrics();
     ~GoogleUpdateMetrics();
 
     // Defines whether this is a user-level or system-level install.
@@ skipping 29 matching lines @@
 
   // Records the current operating environment.  Takes the list of installed
   // plugins, Google Update statistics, and synthetic trial IDs as parameters
   // because those can't be obtained synchronously from the UI thread.
   // A synthetic trial is one that is set up dynamically by code in Chrome. For
   // example, a pref may be mapped to a synthetic trial such that the group
   // is determined by the pref value.
   void RecordEnvironment(
       const std::vector<content::WebPluginInfo>& plugin_list,
       const GoogleUpdateMetrics& google_update_metrics,
-      const std::vector<chrome_variations::ActiveGroupId>& synthetic_trials);
+      const std::vector<variations::ActiveGroupId>& synthetic_trials);
 
   // Loads the environment proto that was saved by the last RecordEnvironment()
   // call from prefs and clears the pref value. Returns true on success or false
   // if there was no saved environment in prefs or it could not be decoded.
   bool LoadSavedEnvironmentFromPrefs();
 
   // Records the input text, available choices, and selected entry when the
   // user uses the Omnibox to open a URL.
   void RecordOmniboxOpenedURL(const OmniboxLog& log);
 
@@ skipping 29 matching lines @@
 
   // Returns the device scale factor for the primary monitor.
   virtual float GetScreenDeviceScaleFactor() const;
 
   // Returns the number of monitors the user is using.
   virtual int GetScreenCount() const;
 
   // Fills |field_trial_ids| with the list of initialized field trials name and
   // group ids.
   virtual void GetFieldTrialIds(
-      std::vector<chrome_variations::ActiveGroupId>* field_trial_ids) const;
+      std::vector<variations::ActiveGroupId>* field_trial_ids) const;
 
   // Exposed to allow dependency injection for tests.
 #if defined(OS_CHROMEOS)
   scoped_ptr<MetricsLogChromeOS> metrics_log_chromeos_;
 #endif
 
  private:
   FRIEND_TEST_ALL_PREFIXES(MetricsLogTest, ChromeOSStabilityData);
 
   // Returns true if the environment has already been filled in by a call to
@@ skipping 31 matching lines @@
   // The time when the current log was created.
   const base::TimeTicks creation_time_;
 
   // For including information on which extensions are installed in reports.
   HashedExtensionMetrics extension_metrics_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsLog);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_LOG_H_