Add support for collecting non-Chrome crash stats in Chrome OS

chrome/browser/metrics/metrics_service.h

 // Copyright (c) 2011 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_
 #pragma once
@@ skipping 107 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);
 
   // Save any unsent logs into a persistent store in a pref.  We always do this
   // at shutdown, but we can do it as we reduce the list as well.
   void StoreUnsentLogs();
 
 #if defined(OS_CHROMEOS)
-  // Returns the hardware class of the Chrome OS device (e.g.,
-  // hardware qualification ID), or "unknown" if the hardware class is
-  // not available.  The hardware class identifies the configured
-  // system components such us CPU, WiFi adapter, etc.  Note that this
-  // routine invokes an external utility to determine the hardware
-  // class.
-  static std::string GetHardwareClass();
-
   // Start the external metrics service, which collects metrics from Chrome OS
   // and passes them to UMA.
   void StartExternalMetrics();
+
+  // Records a Chrome OS crash.
+  void LogChromeOSCrash(const std::string &crash_type);
 #endif
 
   bool recording_active() const;
   bool reporting_active() const;
 
  private:
   // The MetricsService has a lifecycle that is stored as a state.
   // See metrics_service.cc for description of this lifecycle.
   enum State {
     INITIALIZED,            // Constructor was called.
@@ skipping 348 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, CorruptSizeOfLogList);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, CorruptChecksumOfLogList);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, ClientIdGeneratesAllZeroes);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, ClientIdGeneratesCorrectly);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, ClientIdCorrectlyFormatted);
 
   DISALLOW_COPY_AND_ASSIGN(MetricsService);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_