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

chrome/browser/sync_file_system/local/sync_file_system_backend.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_LOCAL_SYNC_FILE_SYSTEM_BACKEND_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_SYNC_FILE_SYSTEM_BACKEND_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 32 matching lines @@
   storage::CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
       storage::FileSystemType type,
       base::File::Error* error_code) override;
   storage::FileSystemOperation* CreateFileSystemOperation(
       const storage::FileSystemURL& url,
       storage::FileSystemContext* context,
       base::File::Error* error_code) const override;
   bool SupportsStreaming(const storage::FileSystemURL& url) const override;
   bool HasInplaceCopyImplementation(
       storage::FileSystemType type) const override;
-  scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
+  std::unique_ptr<storage::FileStreamReader> CreateFileStreamReader(
       const storage::FileSystemURL& url,
       int64_t offset,
       int64_t max_bytes_to_read,
       const base::Time& expected_modification_time,
       storage::FileSystemContext* context) const override;
-  scoped_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
+  std::unique_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
       const storage::FileSystemURL& url,
       int64_t offset,
       storage::FileSystemContext* context) const override;
   storage::FileSystemQuotaUtil* GetQuotaUtil() override;
   const storage::UpdateObserverList* GetUpdateObservers(
       storage::FileSystemType type) const override;
   const storage::ChangeObserverList* GetChangeObservers(
       storage::FileSystemType type) const override;
   const storage::AccessObserverList* GetAccessObservers(
       storage::FileSystemType type) const override;
 
   static SyncFileSystemBackend* GetBackend(
       const storage::FileSystemContext* context);
 
   LocalFileChangeTracker* change_tracker() { return change_tracker_.get(); }
-  void SetLocalFileChangeTracker(scoped_ptr<LocalFileChangeTracker> tracker);
+  void SetLocalFileChangeTracker(
+      std::unique_ptr<LocalFileChangeTracker> tracker);
 
   LocalFileSyncContext* sync_context() { return sync_context_.get(); }
   void set_sync_context(LocalFileSyncContext* sync_context);
 
  private:
   class ProfileHolder : public content::NotificationObserver {
    public:
     explicit ProfileHolder(Profile* profile);
 
     // NotificationObserver override.
     void Observe(int type,
                  const content::NotificationSource& source,
                  const content::NotificationDetails& details) override;
 
     Profile* GetProfile();
 
    private:
     content::NotificationRegistrar registrar_;
     Profile* profile_;
   };
 
   // Not owned.
   storage::FileSystemContext* context_;
 
-  scoped_ptr<LocalFileChangeTracker> change_tracker_;
+  std::unique_ptr<LocalFileChangeTracker> change_tracker_;
   scoped_refptr<LocalFileSyncContext> sync_context_;
 
   // Should be accessed on the UI thread.
-  scoped_ptr<ProfileHolder> profile_holder_;
+  std::unique_ptr<ProfileHolder> profile_holder_;
 
   // A flag to skip the initialization sequence of SyncFileSystemService for
   // testing.
   bool skip_initialize_syncfs_service_for_testing_;
 
   storage::SandboxFileSystemBackendDelegate* GetDelegate() const;
 
   void InitializeSyncFileSystemService(
       const GURL& origin_url,
       const SyncStatusCallback& callback);
   void DidInitializeSyncFileSystemService(
       storage::FileSystemContext* context,
       const GURL& origin_url,
       storage::FileSystemType type,
       storage::OpenFileSystemMode mode,
       const OpenFileSystemCallback& callback,
       SyncStatusCode status);
 
   DISALLOW_COPY_AND_ASSIGN(SyncFileSystemBackend);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_SYNC_FILE_SYSTEM_BACKEND_H_