Convert //chrome/browser/sync_file_system from scoped_ptr to std::unique_ptr

chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.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_REMOTE_TO_LOCAL_SYNCER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_REMOTE_TO_LOCAL_SYNCER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
 
 class RemoteToLocalSyncer : public SyncTask {
  public:
   typedef SyncTaskManager::Continuation Continuation;
 
   // Conflicting trackers will have low priority for RemoteToLocalSyncer so that
   // it should be resolved by LocatToRemoteSyncer.
   explicit RemoteToLocalSyncer(SyncEngineContext* sync_context);
   ~RemoteToLocalSyncer() override;
 
-  void RunPreflight(scoped_ptr<SyncTaskToken> token) override;
-  void RunExclusive(scoped_ptr<SyncTaskToken> token);
+  void RunPreflight(std::unique_ptr<SyncTaskToken> token) override;
+  void RunExclusive(std::unique_ptr<SyncTaskToken> token);
 
   const storage::FileSystemURL& url() const { return url_; }
   SyncFileType file_type() const { return file_type_; }
   SyncAction sync_action() const { return sync_action_; }
 
   bool is_sync_root_deletion() const { return sync_root_deletion_; }
 
  private:
   typedef std::vector<std::string> FileIDList;
 
@@ skipping 33 matching lines @@
   //   # Maybe, this can be decomposed to delete and update.
   //   - Dispatch to HandreReorganize().
   // Else, if the folder is a regular file and the md5 in remote metadata does
   // not match the md5 in synced metadata:
   //   # The file is modified remotely.
   //   - Dispatch to HandleContentUpdate().
   // Else, if the tracker is a folder and it has needs_folder_listing flag:
   //   - Dispatch to HandleFolderContentListing()
   // Else, there should be no change to sync.
   //   - Dispatch to HandleOfflineSolvable()
-  void ResolveRemoteChange(scoped_ptr<SyncTaskToken> token);
+  void ResolveRemoteChange(std::unique_ptr<SyncTaskToken> token);
 
-  void MoveToBackground(scoped_ptr<SyncTaskToken> token,
+  void MoveToBackground(std::unique_ptr<SyncTaskToken> token,
                         const Continuation& continuation);
   void ContinueAsBackgroundTask(const Continuation& continuation,
-                                scoped_ptr<SyncTaskToken> token);
+                                std::unique_ptr<SyncTaskToken> token);
 
   // Handles missing remote metadata case.
   // Fetches remote metadata and updates MetadataDatabase by that.  The sync
   // operation itself will be deferred to the next sync round.
   // Note: if the file is not found, it should be handled as if deleted.
-  void HandleMissingRemoteMetadata(scoped_ptr<SyncTaskToken> token);
-  void DidGetRemoteMetadata(scoped_ptr<SyncTaskToken> token,
+  void HandleMissingRemoteMetadata(std::unique_ptr<SyncTaskToken> token);
+  void DidGetRemoteMetadata(std::unique_ptr<SyncTaskToken> token,
                             google_apis::DriveApiErrorCode error,
-                            scoped_ptr<google_apis::FileResource> entry);
+                            std::unique_ptr<google_apis::FileResource> entry);
 
   // This implements the body of the HandleNewFile and HandleContentUpdate.
   // If the file doesn't have corresponding local file:
   //   - Dispatch to DownloadFile.
   // Else, if the local file doesn't have local change:
   //   - Dispatch to DownloadFile if the local file is a regular file.
   //   - If the local file is a folder, handle this case as a conflict.  Lower
   //     the priority of the tracker, and defer further handling to
   //     local-to-remote change.
   // Else:
   //  # The file has local modification.
   //  - Handle this case as a conflict.  Lower the priority of the tracker, and
   //    defer further handling to local-to-remote change.
-  void DidPrepareForAddOrUpdateFile(scoped_ptr<SyncTaskToken> token,
+  void DidPrepareForAddOrUpdateFile(std::unique_ptr<SyncTaskToken> token,
                                     SyncStatusCode status);
 
   // Handles remotely added folder.  Needs Prepare() call.
   // TODO(tzik): Write details and implement this.
-  void HandleFolderUpdate(scoped_ptr<SyncTaskToken> token);
-  void DidPrepareForFolderUpdate(scoped_ptr<SyncTaskToken> token,
+  void HandleFolderUpdate(std::unique_ptr<SyncTaskToken> token);
+  void DidPrepareForFolderUpdate(std::unique_ptr<SyncTaskToken> token,
                                  SyncStatusCode status);
 
   // Handles deleted remote file.  Needs Prepare() call.
   // If the deleted tracker is the sync-root:
   //  - TODO(tzik): Needs special handling.
   // Else, if the deleted tracker is a app-root:
   //  - TODO(tzik): Needs special handling.
   // Else, if the local file is already deleted:
   //  - Do nothing anymore to the local, call SyncCompleted().
   // Else, if the local file is modified:
   //  - Do nothing to the local file, call SyncCompleted().
   // Else, if the local file is not modified:
   //  - Delete local file.
   //  # Note: if the local file is a folder, delete recursively.
-  void HandleDeletion(scoped_ptr<SyncTaskToken> token);
-  void DidPrepareForDeletion(scoped_ptr<SyncTaskToken> token,
+  void HandleDeletion(std::unique_ptr<SyncTaskToken> token);
+  void DidPrepareForDeletion(std::unique_ptr<SyncTaskToken> token,
                              SyncStatusCode status);
 
-  void HandleFileMove(scoped_ptr<SyncTaskToken> token);
+  void HandleFileMove(std::unique_ptr<SyncTaskToken> token);
 
   // Handles new file.  Needs Prepare() call.
-  void HandleContentUpdate(scoped_ptr<SyncTaskToken> token);
+  void HandleContentUpdate(std::unique_ptr<SyncTaskToken> token);
 
-  void ListFolderContent(scoped_ptr<SyncTaskToken> token);
-  void DidListFolderContent(
-      scoped_ptr<SyncTaskToken> token,
-      scoped_ptr<FileIDList> children,
-      google_apis::DriveApiErrorCode error,
-      scoped_ptr<google_apis::FileList> file_list);
+  void ListFolderContent(std::unique_ptr<SyncTaskToken> token);
+  void DidListFolderContent(std::unique_ptr<SyncTaskToken> token,
+                            std::unique_ptr<FileIDList> children,
+                            google_apis::DriveApiErrorCode error,
+                            std::unique_ptr<google_apis::FileList> file_list);
 
-  void SyncCompleted(scoped_ptr<SyncTaskToken> token, SyncStatusCode status);
-  void FinalizeSync(scoped_ptr<SyncTaskToken> token, SyncStatusCode status);
+  void SyncCompleted(std::unique_ptr<SyncTaskToken> token,
+                     SyncStatusCode status);
+  void FinalizeSync(std::unique_ptr<SyncTaskToken> token,
+                    SyncStatusCode status);
 
   void Prepare(const SyncStatusCallback& callback);
   void DidPrepare(const SyncStatusCallback& callback,
                   SyncStatusCode status,
                   const SyncFileMetadata& metadata,
                   const FileChangeList& changes);
 
-  void DeleteLocalFile(scoped_ptr<SyncTaskToken> token);
-  void DownloadFile(scoped_ptr<SyncTaskToken> token);
-  void DidDownloadFile(scoped_ptr<SyncTaskToken> token,
+  void DeleteLocalFile(std::unique_ptr<SyncTaskToken> token);
+  void DownloadFile(std::unique_ptr<SyncTaskToken> token);
+  void DidDownloadFile(std::unique_ptr<SyncTaskToken> token,
                        storage::ScopedFile file,
                        google_apis::DriveApiErrorCode error,
                        const base::FilePath&);
-  void DidApplyDownload(scoped_ptr<SyncTaskToken> token,
+  void DidApplyDownload(std::unique_ptr<SyncTaskToken> token,
                         storage::ScopedFile,
                         SyncStatusCode status);
 
-  void CreateFolder(scoped_ptr<SyncTaskToken> token);
+  void CreateFolder(std::unique_ptr<SyncTaskToken> token);
 
   // TODO(tzik): After we convert all callbacks to token-passing style,
   // drop this function.
-  SyncStatusCallback SyncCompletedCallback(scoped_ptr<SyncTaskToken> token);
+  SyncStatusCallback SyncCompletedCallback(
+      std::unique_ptr<SyncTaskToken> token);
 
   drive::DriveServiceInterface* drive_service();
   MetadataDatabase* metadata_database();
   RemoteChangeProcessor* remote_change_processor();
 
   SyncEngineContext* sync_context_;  // Not owned.
 
-  scoped_ptr<FileTracker> dirty_tracker_;
-  scoped_ptr<FileMetadata> remote_metadata_;
+  std::unique_ptr<FileTracker> dirty_tracker_;
+  std::unique_ptr<FileMetadata> remote_metadata_;
 
   storage::FileSystemURL url_;
   SyncFileType file_type_;
   SyncAction sync_action_;
 
   bool prepared_;
   bool sync_root_deletion_;
 
-  scoped_ptr<SyncFileMetadata> local_metadata_;
-  scoped_ptr<FileChangeList> local_changes_;
+  std::unique_ptr<SyncFileMetadata> local_metadata_;
+  std::unique_ptr<FileChangeList> local_changes_;
 
   base::WeakPtrFactory<RemoteToLocalSyncer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteToLocalSyncer);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_REMOTE_TO_LOCAL_SYNCER_H_