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 11 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 140 matching lines @@
                        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 record histograms.
+  void RecordAndroidStabilityHistograms();
+
+  // Called when the Activity that the user interacts with is swapped out.
+  void OnForegroundActivityChanged(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 381 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_