Record the first recorded entropy source instead of the last.

chrome/browser/metrics/metrics_service.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 service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 
@@ skipping 209 matching lines @@
       const tracked_objects::ProcessDataSnapshot& process_data,
       content::ProcessType process_type) OVERRIDE;
   // Callback that moves the state to INIT_TASK_DONE.
   virtual void FinishedReceivingProfilerData() OVERRIDE;
 
   // Returns the low entropy source for this client. This is a random value
   // that is non-identifying amongst browser clients. This method will
   // generate the entropy source value if it has not been called before.
   int GetLowEntropySource();
 
-  // Returns the last entropy source that was returned by this service since
+  // Returns the first entropy source that was returned by this service since
   // start up, or NONE if neither was returned yet. This is exposed for testing
   // only.
   EntropySourceReturned entropy_source_returned() const {
     return entropy_source_returned_;
   }
 
   // When we start a new version of Chromium (different from our last run), we
   // need to discard the old crash stats so that we don't attribute crashes etc.
   // in the old version to the current version (via current logs).
   // Without this, a common reason to finally start a new version is to crash
@@ skipping 266 matching lines @@
   friend bool prerender::IsOmniboxEnabled(Profile* profile);
   friend class extensions::ExtensionDownloader;
 
   // Returns true if prefs::kMetricsReportingEnabled is set.
   static bool IsMetricsReportingEnabled();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_