[Background Sync] Gather UMA data for Background Sync

content/browser/background_sync/background_sync_manager.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_MANAGER_H_
 #define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_MANAGER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 30 matching lines @@
 // registered events.
 // TODO(jkarlin): Keep the browser alive if "Let Google Chrome Run in the
 // Background" is true and a sync is registered.
 class CONTENT_EXPORT BackgroundSyncManager
     : NON_EXPORTED_BASE(public ServiceWorkerContextObserver) {
  public:
   enum ErrorType {
     ERROR_TYPE_OK = 0,
     ERROR_TYPE_STORAGE,
     ERROR_TYPE_NOT_FOUND,
-    ERROR_TYPE_NO_SERVICE_WORKER
+    ERROR_TYPE_NO_SERVICE_WORKER,
+    ERROR_TYPE_MAX = ERROR_TYPE_NO_SERVICE_WORKER
   };
 
   using StatusCallback = base::Callback<void(ErrorType)>;
   using StatusAndRegistrationCallback =
       base::Callback<void(ErrorType, const BackgroundSyncRegistration&)>;
   using StatusAndRegistrationsCallback =
       base::Callback<void(ErrorType,
                           const std::vector<BackgroundSyncRegistration>&)>;
 
   static scoped_ptr<BackgroundSyncManager> Create(
@@ skipping 138 matching lines @@
   void RegisterDidStore(int64 sw_registration_id,
                         const BackgroundSyncRegistration& sync_registration,
                         const StatusAndRegistrationCallback& callback,
                         ServiceWorkerStatusCode status);
 
   // Unregister callbacks
   void UnregisterImpl(
       int64 sw_registration_id,
       const RegistrationKey& registration_key,
       BackgroundSyncRegistration::RegistrationId sync_registration_id,
+      SyncPeriodicity periodicity,
       const StatusCallback& callback);
-  void UnregisterDidStore(
-      int64 sw_registration_id,
-      const StatusCallback& callback,
-      ServiceWorkerStatusCode status);
+  void UnregisterDidStore(int64 sw_registration_id,
+                          SyncPeriodicity periodicity,
+                          const StatusCallback& callback,
+                          ServiceWorkerStatusCode status);
 
   // GetRegistration callbacks
   void GetRegistrationImpl(int64 sw_registration_id,
                            const RegistrationKey& registration_key,
                            const StatusAndRegistrationCallback& callback);
 
   // GetRegistrations callbacks
   void GetRegistrationsImpl(int64 sw_registration_id,
                             SyncPeriodicity periodicity,
                             const StatusAndRegistrationsCallback& callback);
 
+  bool AreOptionConditionsMet(const BackgroundSyncRegistrationOptions& options);
   bool IsRegistrationReadyToFire(
       const BackgroundSyncRegistration& registration);
 
   // Schedules pending registrations to run in the future. For one-shots this
   // means keeping the browser alive so that network connectivity events can be
   // seen (on Android the browser is instead woken up the next time it goes
   // online). For periodic syncs this means creating an alarm.
   void SchedulePendingRegistrations();
 
   // FireReadyEvents and callbacks
   void FireReadyEvents();
   void FireReadyEventsImpl(const base::Closure& callback);
   void FireReadyEventsDidFindRegistration(
       const RegistrationKey& registration_key,
       BackgroundSyncRegistration::RegistrationId registration_id,
-      const base::Closure& callback,
+      const base::Closure& event_fired_callback,
+      const base::Closure& event_completed_callback,
       ServiceWorkerStatusCode service_worker_status,
       const scoped_refptr<ServiceWorkerRegistration>&
           service_worker_registration);
 
   // Called when a sync event has completed.
   void EventComplete(
       const scoped_refptr<ServiceWorkerRegistration>&
           service_worker_registration,
       int64 service_worker_id,
       const RegistrationKey& key,
       BackgroundSyncRegistration::RegistrationId sync_registration_id,
+      const base::Closure& callback,
       ServiceWorkerStatusCode status_code);
   void EventCompleteImpl(
       int64 service_worker_id,
       const RegistrationKey& key,
       BackgroundSyncRegistration::RegistrationId sync_registration_id,
       ServiceWorkerStatusCode status_code,
       const base::Closure& callback);
   void EventCompleteDidStore(int64 service_worker_id,
                              const base::Closure& callback,
                              ServiceWorkerStatusCode status_code);
 
+  // Called when all sync events have completed.
+  static void OnAllSyncEventsCompleted(const base::TimeTicks& start_time);
+
   // OnRegistrationDeleted callbacks
   void OnRegistrationDeletedImpl(int64 registration_id,
                                  const base::Closure& callback);
 
   // OnStorageWiped callbacks
   void OnStorageWipedImpl(const base::Closure& callback);
 
   void OnNetworkChanged();
   void OnPowerChanged();
 
   // Operation Scheduling callback and convenience functions.
   template <typename CallbackT, typename... Params>
   void CompleteOperationCallback(const CallbackT& callback,
                                  Params... parameters);
   base::Closure MakeEmptyCompletion();
+  base::Closure MakeClosureCompletion(const base::Closure& callback);
   StatusAndRegistrationCallback MakeStatusAndRegistrationCompletion(
       const StatusAndRegistrationCallback& callback);
   StatusAndRegistrationsCallback MakeStatusAndRegistrationsCompletion(
       const StatusAndRegistrationsCallback& callback);
   BackgroundSyncManager::StatusCallback MakeStatusCompletion(
       const StatusCallback& callback);
 
   SWIdToRegistrationsMap sw_to_registrations_map_;
   CacheStorageScheduler op_scheduler_;
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
   bool disabled_;
 
   scoped_ptr<BackgroundSyncNetworkObserver> network_observer_;
   scoped_ptr<BackgroundSyncPowerObserver> power_observer_;
 
   base::WeakPtrFactory<BackgroundSyncManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundSyncManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_MANAGER_H_