Inform GetEntropySource of whether or not metrics reporting will be enabled.

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 69 matching lines @@
   // in tests only.
   void Start();
   void StartRecordingOnly();
   void Stop();
 
   // Returns the client ID for this client, or the empty string if metrics
   // recording is not currently running.
   std::string GetClientId();
 
   // Returns the preferred entropy source used to seed persistent activities
-  // based on whether or not metrics reporting is permitted on this client. If
-  // it is permitted, this returns the client ID concatenated with the low
-  // entropy source. Otherwise, this just returns the low entropy source.
-  std::string GetEntropySource();
+  // based on whether or not metrics reporting will permitted on this client.
+  // The caller must determine if metrics reorting will be enabled for this

[Ilya Sherman, 2012/08/09 16:47:29]

nit: "reorting" -> "reporting"

[SteveT, 2012/08/09 17:18:30]

Done.

+  // client and pass that state in as |reporting_will_be_enabled|. If
+  // |reporting_will_be_enabled| is true, this method returns the client ID
+  // concatenated with the low entropy source. Otherwise, this method just
+  // returns the low entropy source.
+  std::string GetEntropySource(bool reporting_will_be_enabled);
 
   // Force the client ID to be generated. This is useful in case it's needed
   // before recording.
   void ForceClientIdCreation();
 
   // At startup, prefs needs to be called with a list of all the pref names and
   // types we'll be using.
   static void RegisterPrefs(PrefService* local_state);
 
   // Set up notifications which indicate that a user is performing work. This is
@@ skipping 376 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_