Introduce AndroidMetricsProvider class.

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 18 matching lines @@
 #include "chrome/installer/util/google_update_settings.h"
 #include "components/metrics/metrics_provider.h"
 #include "components/metrics/metrics_service_observer.h"
 #include "components/variations/active_field_trials.h"
 #include "content/public/browser/browser_child_process_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/user_metrics.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
-#if defined(OS_ANDROID)
-#include "chrome/browser/android/activity_type_ids.h"
-#endif
-
 class ChromeBrowserMetricsServiceObserver;
 class MetricsReportingScheduler;
 class PrefService;
 class PrefRegistrySimple;
 class Profile;
 class TemplateURLService;
 
 namespace {
 class CrashesDOMHandler;
 class FlashDOMHandler;
@@ skipping 125 matching lines @@
   //
   // If metrics reporting is enabled, this method returns an entropy provider
   // that has a high source of entropy, partially based on the client ID.
   // Otherwise, it returns an entropy provider that is based on a low entropy
   // source.
   scoped_ptr<const base::FieldTrial::EntropyProvider> CreateEntropyProvider();
 
   // At startup, prefs needs to be called with a list of all the pref names and
   // types we'll be using.
   static void RegisterPrefs(PrefRegistrySimple* registry);
-#if defined(OS_ANDROID)
-  static void RegisterPrefsAndroid(PrefRegistrySimple* registry);
-#endif  // defined(OS_ANDROID)
 
   // Set up notifications which indicate that a user is performing work. This is
   // useful to allow some features to sleep, until the machine becomes active,
   // such as precluding UMA uploads unless there was recent activity.
   static void SetUpNotifications(content::NotificationRegistrar* registrar,
                                  content::NotificationObserver* observer);
 
   // Implementation of content::BrowserChildProcessObserver
   virtual void BrowserChildProcessHostConnected(
       const content::ChildProcessData& data) OVERRIDE;
   virtual void BrowserChildProcessCrashed(
       const content::ChildProcessData& data) OVERRIDE;
   virtual void BrowserChildProcessInstanceCreated(
       const content::ChildProcessData& data) OVERRIDE;
 
   // Implementation of content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Invoked when we get a WM_SESSIONEND. This places a value in prefs that is
   // reset when RecordCompletedSessionEnd is invoked.
   void RecordStartOfSessionEnd();
 
   // This should be called when the application is shutting down. It records
   // that session end was successful.
   void RecordCompletedSessionEnd();
 
-#if defined(OS_ANDROID)
-  // Called to log launch and crash stats to preferences.
-  void LogAndroidStabilityToPrefs(PrefService* pref);
-
-  // Converts crash stats stored in the preferences into histograms.
-  void ConvertAndroidStabilityPrefsToHistograms(PrefService* pref);
-
-  // Called when the Activity that the user interacts with is swapped out.
-  void OnForegroundActivityChanged(PrefService* pref,
-                                   ActivityTypeIds::Type type);
-#endif  // defined(OS_ANDROID)
-
 #if defined(OS_ANDROID) || defined(OS_IOS)
   // Called when the application is going into background mode.
   void OnAppEnterBackground();
 
   // Called when the application is coming out of background mode.
   void OnAppEnterForeground();
 #else
   // Set the dirty flag, which will require a later call to LogCleanShutdown().
   static void LogNeedForCleanShutdown();
 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
@@ skipping 399 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_