Let MetricsService know about some Android Activities

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 12 matching lines @@
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/tracking_synchronizer_observer.h"
 #include "chrome/common/metrics/metrics_service_base.h"
 #include "chrome/installer/util/google_update_settings.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_CHROMEOS)
+#if defined(OS_ANDROID)
+#include "chrome/browser/android/activity_type_ids.h"
+#elif defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/external_metrics.h"
 #endif
 
 class MetricsReportingScheduler;
 class PrefService;
 class PrefRegistrySimple;
 class Profile;
 class TemplateURLService;
 
 namespace base {
@@ skipping 124 matching lines @@
   scoped_ptr<const base::FieldTrial::EntropyProvider> CreateEntropyProvider(
       ReportingState reporting_state);
 
   // 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(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 123 matching lines @@
     return entropy_source_returned_;
   }
 
   // When we start a new version of Chromium (different from our last run), we
   // need to discard the old crash stats so that we don't attribute crashes etc.
   // in the old version to the current version (via current logs).
   // Without this, a common reason to finally start a new version is to crash
   // the old version (after an autoupdate has arrived), and so we'd bias
   // initial results towards showing crashes :-(.
   static void DiscardOldStabilityStats(PrefService* local_state);
+#if defined(OS_ANDROID)
+  static void DiscardOldStabilityStatsAndroid(PrefService* local_state);
+#endif  // defined(OS_ANDROID)
 
   // Turns recording on or off.
   // DisableRecording() also forces a persistent save of logging state (if
   // anything has been recorded, or transmitted).
   void EnableRecording();
   void DisableRecording();
 
   // If in_idle is true, sets idle_since_last_transmission to true.
   // If in_idle is false and idle_since_last_transmission_ is true, sets
   // idle_since_last_transmission to false and starts the timer (provided
@@ skipping 248 matching lines @@
   friend class extensions::ExtensionDownloader;
   friend class extensions::ManifestFetchData;
 
   // Returns true if prefs::kMetricsReportingEnabled is set.
   static bool IsMetricsReportingEnabled();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_