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

chrome/browser/sync_file_system/local/sync_file_system_backend.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
 
 #include <string>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 141 matching lines @@
 }
 
 storage::FileSystemOperation* SyncFileSystemBackend::CreateFileSystemOperation(
     const storage::FileSystemURL& url,
     storage::FileSystemContext* context,
     base::File::Error* error_code) const {
   DCHECK(CanHandleType(url.type()));
   DCHECK(context);
   DCHECK(error_code);
 
-  scoped_ptr<storage::FileSystemOperationContext> operation_context =
+  std::unique_ptr<storage::FileSystemOperationContext> operation_context =
       GetDelegate()->CreateFileSystemOperationContext(url, context, error_code);
   if (!operation_context)
     return nullptr;
 
   if (url.type() == storage::kFileSystemTypeSyncableForInternalSync) {
     return storage::FileSystemOperation::Create(url, context,
                                                 std::move(operation_context));
   }
 
   return new SyncableFileSystemOperation(url, context,
                                          std::move(operation_context));
 }
 
 bool SyncFileSystemBackend::SupportsStreaming(
     const storage::FileSystemURL& url) const {
   return false;
 }
 
 bool SyncFileSystemBackend::HasInplaceCopyImplementation(
     storage::FileSystemType type) const {
   return false;
 }
 
-scoped_ptr<storage::FileStreamReader>
+std::unique_ptr<storage::FileStreamReader>
 SyncFileSystemBackend::CreateFileStreamReader(
     const storage::FileSystemURL& url,
     int64_t offset,
     int64_t max_bytes_to_read,
     const base::Time& expected_modification_time,
     storage::FileSystemContext* context) const {
   DCHECK(CanHandleType(url.type()));
   return GetDelegate()->CreateFileStreamReader(
       url, offset, expected_modification_time, context);
 }
 
-scoped_ptr<storage::FileStreamWriter>
+std::unique_ptr<storage::FileStreamWriter>
 SyncFileSystemBackend::CreateFileStreamWriter(
     const storage::FileSystemURL& url,
     int64_t offset,
     storage::FileSystemContext* context) const {
   DCHECK(CanHandleType(url.type()));
   return GetDelegate()->CreateFileStreamWriter(
       url, offset, context, storage::kFileSystemTypeSyncableForInternalSync);
 }
 
 storage::FileSystemQuotaUtil* SyncFileSystemBackend::GetQuotaUtil() {
@@ skipping 18 matching lines @@
 // static
 SyncFileSystemBackend* SyncFileSystemBackend::GetBackend(
     const storage::FileSystemContext* file_system_context) {
   DCHECK(file_system_context);
   return static_cast<SyncFileSystemBackend*>(
       file_system_context->GetFileSystemBackend(
           storage::kFileSystemTypeSyncable));
 }
 
 void SyncFileSystemBackend::SetLocalFileChangeTracker(
-    scoped_ptr<LocalFileChangeTracker> tracker) {
+    std::unique_ptr<LocalFileChangeTracker> tracker) {
   DCHECK(!change_tracker_);
   DCHECK(tracker);
   change_tracker_ = std::move(tracker);
 
   storage::SandboxFileSystemBackendDelegate* delegate = GetDelegate();
   delegate->AddFileUpdateObserver(storage::kFileSystemTypeSyncable,
                                   change_tracker_.get(),
                                   delegate->file_task_runner());
   delegate->AddFileChangeObserver(storage::kFileSystemTypeSyncable,
                                   change_tracker_.get(),
@@ skipping 63 matching lines @@
                  SyncStatusCodeToFileError(status));
     return;
   }
 
   callback.Run(GetSyncableFileSystemRootURI(origin_url),
                GetFileSystemName(origin_url, type),
                base::File::FILE_OK);
 }
 
 }  // namespace sync_file_system