1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/browser/sync_file_system/drive_backend/callback_tracker_internal.h" 6 7#include "chrome/browser/sync_file_system/drive_backend/callback_tracker.h" 8 9namespace sync_file_system { 10namespace drive_backend { 11namespace internal { 12 13AbortHelper::AbortHelper(CallbackTracker* tracker) 14 : tracker_(tracker), weak_ptr_factory_(this) { 15} 16 17AbortHelper::~AbortHelper() {} 18 19base::WeakPtr<AbortHelper> AbortHelper::AsWeakPtr() { 20 return weak_ptr_factory_.GetWeakPtr(); 21} 22 23// static 24scoped_ptr<AbortHelper> AbortHelper::TakeOwnership( 25 const base::WeakPtr<AbortHelper>& abort_helper) { 26 if (!abort_helper) 27 return scoped_ptr<AbortHelper>(); 28 scoped_ptr<AbortHelper> result = 29 abort_helper->tracker_->PassAbortHelper(abort_helper.get()); 30 abort_helper->weak_ptr_factory_.InvalidateWeakPtrs(); 31 return result.Pass(); 32} 33 34} // namespace internal 35} // namespace drive_backend 36} // namespace sync_file_system 37