Only re-enable remote service if the task used the network.

chrome/browser/sync_file_system/drive_backend/sync_engine.h

 // Copyright 2013 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ skipping 83 matching lines @@
   // LocalChangeProcessor overrides.
   virtual void ApplyLocalChange(
       const FileChange& local_change,
       const base::FilePath& local_path,
       const SyncFileMetadata& local_metadata,
       const fileapi::FileSystemURL& url,
       const SyncStatusCallback& callback) OVERRIDE;
 
   // SyncTaskManager::Client overrides.
   virtual void MaybeScheduleNextTask() OVERRIDE;
-  virtual void NotifyLastOperationStatus(SyncStatusCode sync_status) OVERRIDE;
+  virtual void NotifyLastOperationStatus(SyncStatusCode sync_status,
+                                         bool used_network) OVERRIDE;
 
   // drive::DriveNotificationObserver overrides.
   virtual void OnNotificationReceived() OVERRIDE;
   virtual void OnPushNotificationEnabled(bool enabled) OVERRIDE;
 
   // drive::DriveServiceObserver overrides.
   virtual void OnReadyToSendRequests() OVERRIDE;
   virtual void OnRefreshTokenInvalid() OVERRIDE;
 
   // net::NetworkChangeNotifier::NetworkChangeObserver overrides.
@@ skipping 18 matching lines @@
                      SyncStatusCode status);
   void DidProcessRemoteChange(RemoteToLocalSyncer* syncer,
                               const SyncFileCallback& callback,
                               SyncStatusCode status);
   void DidApplyLocalChange(LocalToRemoteSyncer* syncer,
                            const SyncStatusCallback& callback,
                            SyncStatusCode status);
   void DidFetchChangeList(SyncStatusCallback& callback);
 
   void MaybeStartFetchChanges();
-  void UpdateServiceStateFromSyncStatusCode(SyncStatusCode state);
+  void UpdateServiceStateFromSyncStatusCode(SyncStatusCode state,
+                                            bool used_network);
   void UpdateServiceState(RemoteServiceState state,
                           const std::string& description);
   void UpdateRegisteredApps();
 
   base::FilePath base_dir_;
   base::FilePath temporary_file_dir_;
 
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   scoped_ptr<drive::DriveServiceInterface> drive_service_;
@@ skipping 24 matching lines @@
 
   base::WeakPtrFactory<SyncEngine> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncEngine);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_