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

chrome/browser/sync_file_system/drive_backend/sync_engine_initializer.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_INITIALIZER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_INITIALIZER_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_task.h"
 #include "chrome/browser/sync_file_system/sync_callbacks.h"
 #include "google_apis/drive/drive_api_error_codes.h"
 #include "google_apis/drive/drive_common_callbacks.h"
 
 namespace drive {
 class DriveServiceInterface;
 }
@@ skipping 40 matching lines @@
 //    as regular inactive folders until they are registered explicitly.
 //  - Populate database with the largest change ID, the sync-root folder and
 //    its contents.
 //
 class SyncEngineInitializer : public SyncTask {
  public:
   SyncEngineInitializer(SyncEngineContext* sync_context,
                         const base::FilePath& database_path,
                         leveldb::Env* env_override);
   ~SyncEngineInitializer() override;
-  void RunPreflight(scoped_ptr<SyncTaskToken> token) override;
+  void RunPreflight(std::unique_ptr<SyncTaskToken> token) override;
 
-  scoped_ptr<MetadataDatabase> PassMetadataDatabase();
+  std::unique_ptr<MetadataDatabase> PassMetadataDatabase();
 
  private:
   typedef base::Callback<void(const SyncStatusCallback& callback)> Task;
 
-  void GetAboutResource(scoped_ptr<SyncTaskToken> token);
+  void GetAboutResource(std::unique_ptr<SyncTaskToken> token);
   void DidGetAboutResource(
-      scoped_ptr<SyncTaskToken> token,
+      std::unique_ptr<SyncTaskToken> token,
       google_apis::DriveApiErrorCode error,
-      scoped_ptr<google_apis::AboutResource> about_resource);
-  void FindSyncRoot(scoped_ptr<SyncTaskToken> token);
-  void DidFindSyncRoot(scoped_ptr<SyncTaskToken> token,
+      std::unique_ptr<google_apis::AboutResource> about_resource);
+  void FindSyncRoot(std::unique_ptr<SyncTaskToken> token);
+  void DidFindSyncRoot(std::unique_ptr<SyncTaskToken> token,
                        google_apis::DriveApiErrorCode error,
-                       scoped_ptr<google_apis::FileList> file_list);
-  void CreateSyncRoot(scoped_ptr<SyncTaskToken> token);
-  void DidCreateSyncRoot(scoped_ptr<SyncTaskToken> token,
+                       std::unique_ptr<google_apis::FileList> file_list);
+  void CreateSyncRoot(std::unique_ptr<SyncTaskToken> token);
+  void DidCreateSyncRoot(std::unique_ptr<SyncTaskToken> token,
                          google_apis::DriveApiErrorCode error,
-                         scoped_ptr<google_apis::FileResource> entry);
-  void DetachSyncRoot(scoped_ptr<SyncTaskToken> token);
-  void DidDetachSyncRoot(scoped_ptr<SyncTaskToken> token,
+                         std::unique_ptr<google_apis::FileResource> entry);
+  void DetachSyncRoot(std::unique_ptr<SyncTaskToken> token);
+  void DidDetachSyncRoot(std::unique_ptr<SyncTaskToken> token,
                          google_apis::DriveApiErrorCode error);
-  void ListAppRootFolders(scoped_ptr<SyncTaskToken> token);
-  void DidListAppRootFolders(
-      scoped_ptr<SyncTaskToken> token,
-      google_apis::DriveApiErrorCode error,
-      scoped_ptr<google_apis::FileList> file_list);
-  void PopulateDatabase(scoped_ptr<SyncTaskToken> token);
+  void ListAppRootFolders(std::unique_ptr<SyncTaskToken> token);
+  void DidListAppRootFolders(std::unique_ptr<SyncTaskToken> token,
+                             google_apis::DriveApiErrorCode error,
+                             std::unique_ptr<google_apis::FileList> file_list);
+  void PopulateDatabase(std::unique_ptr<SyncTaskToken> token);
 
   SyncEngineContext* sync_context_;  // Not owned.
   leveldb::Env* env_override_;
 
   google_apis::CancelCallback cancel_callback_;
   base::FilePath database_path_;
 
   int find_sync_root_retry_count_;
 
-  scoped_ptr<MetadataDatabase> metadata_database_;
+  std::unique_ptr<MetadataDatabase> metadata_database_;
   ScopedVector<google_apis::FileResource> app_root_folders_;
 
   int64_t largest_change_id_;
   std::string root_folder_id_;
 
-  scoped_ptr<google_apis::FileResource> sync_root_folder_;
+  std::unique_ptr<google_apis::FileResource> sync_root_folder_;
 
   base::WeakPtrFactory<SyncEngineInitializer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncEngineInitializer);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_INITIALIZER_H_