[BackgroundSync Cleanup] Remove power observer

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 19 matching lines @@
 #include "content/common/background_sync_service.mojom.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "content/public/browser/background_sync_parameters.h"
 #include "content/public/browser/browser_thread.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class BackgroundSyncNetworkObserver;
-class BackgroundSyncPowerObserver;
 class ServiceWorkerContextWrapper;
 
 // BackgroundSyncManager manages and stores the set of background sync
 // registrations across all registered service workers for a profile.
 // Registrations are stored along with their associated Service Worker
 // registration in ServiceWorkerStorage. If the ServiceWorker is unregistered,
 // the sync registrations are removed. This class must be run on the IO
 // thread. The asynchronous methods are executed sequentially.
 class CONTENT_EXPORT BackgroundSyncManager
     : NON_EXPORTED_BASE(public ServiceWorkerContextObserver) {
@@ skipping 304 matching lines @@
                                        int number_of_batched_sync_events);
 
   // OnRegistrationDeleted callbacks
   void OnRegistrationDeletedImpl(int64_t sw_registration_id,
                                  const base::Closure& callback);
 
   // OnStorageWiped callbacks
   void OnStorageWipedImpl(const base::Closure& callback);
 
   void OnNetworkChanged();
-  void OnPowerChanged();
 
   // SetMaxSyncAttempts callback
   void SetMaxSyncAttemptsImpl(int max_sync_attempts,
                               const base::Closure& callback);
 
   // Operation Scheduling callback and convenience functions.
   template <typename CallbackT, typename... Params>
   void CompleteOperationCallback(const CallbackT& callback,
                                  Params... parameters);
   void CompleteStatusAndRegistrationCallback(
@@ skipping 21 matching lines @@
 
   // True if the manager is disabled and registrations should fail.
   bool disabled_;
 
   // The number of registrations currently in the firing state.
   int num_firing_registrations_;
 
   base::CancelableCallback<void()> delayed_sync_task_;
 
   scoped_ptr<BackgroundSyncNetworkObserver> network_observer_;
-  scoped_ptr<BackgroundSyncPowerObserver> power_observer_;
 
   // The registrations that clients have handles to.
   IDMap<scoped_refptr<RefCountedRegistration>,
         IDMapOwnPointer,
         BackgroundSyncRegistrationHandle::HandleId> registration_handle_ids_;
 
   scoped_ptr<base::Clock> clock_;
 
   base::WeakPtrFactory<BackgroundSyncManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundSyncManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_MANAGER_H_