Refactor MetricsLogChromeOS to ChromeOSMetricsProvider.

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 244 matching lines @@
   // Saves in the preferences if the browser is running under a debugger.
   // This count is eventually send via UMA logs.
   void RecordBreakpadHasDebugger(bool has_debugger);
 
 #if defined(OS_WIN)
   // Counts (and removes) the browser crash dump attempt signals left behind by
   // any previous browser processes which generated a crash dump.
   void CountBrowserCrashDumpAttempts();
 #endif  // OS_WIN
 
-#if defined(OS_CHROMEOS)
-  // Records a Chrome OS crash.
-  void LogChromeOSCrash(const std::string &crash_type);
-#endif
-
   bool recording_active() const;
   bool reporting_active() const;
 
   void LogPluginLoadingError(const base::FilePath& plugin_path);
 
   // Redundant test to ensure that we are notified of a clean exit.
   // This value should be true when process has completed shutdown.
   static bool UmaMetricsProperlyShutdown();
 
   // Registers a field trial name and group to be used to annotate a UMA report
@@ skipping 366 matching lines @@
 
   // Registers/unregisters |observer| to receive MetricsLog notifications
   // from metrics service.
   static void AddMetricsServiceObserver(MetricsServiceObserver* observer);
   static void RemoveMetricsServiceObserver(MetricsServiceObserver* observer);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_