Refactor MetricsStateManager class out of MetricsService.

chrome/browser/chrome_browser_main.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.
 
 #ifndef CHROME_BROWSER_CHROME_BROWSER_MAIN_H_
 #define CHROME_BROWSER_CHROME_BROWSER_MAIN_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
@@ skipping 89 matching lines @@
 
   // Constructs metrics service and does related initialization, including
   // creation of field trials. Call only after labs have been converted to
   // switches.
   void SetupMetricsAndFieldTrials();
 
   // Starts recording of metrics. This can only be called after we have a file
   // thread.
   void StartMetricsRecording();
 
-  // Returns true if the user opted in to sending metric reports.
-  bool IsMetricsReportingEnabled();
-
   // Record time from process startup to present time in an UMA histogram.
   void RecordBrowserStartupTime();
 
   // Records a time value to an UMA histogram in the context of the
   // PreReadExperiment field-trial. This also reports to the appropriate
   // sub-histogram (_PreRead(Enabled|Disabled)).
   void RecordPreReadExperimentTime(const char* name, base::TimeDelta time);
 
   // Methods for Main Message Loop -------------------------------------------
 
@@ skipping 67 matching lines @@
   bool restart_last_session_;
 
   // Tests can set this to true to disable restricting cookie access in the
   // network stack, as this can only be done once.
   static bool disable_enforcing_cookie_policies_for_tests_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainParts);
 };
 
 #endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_H_