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      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/sync_task.h"
      6 
      7 #include "base/bind.h"
      8 #include "chrome/browser/sync_file_system/drive_backend/sync_task_manager.h"
      9 #include "chrome/browser/sync_file_system/drive_backend/sync_task_token.h"
     10 #include "chrome/browser/sync_file_system/drive_backend/task_dependency_manager.h"
     11 
     12 namespace sync_file_system {
     13 namespace drive_backend {
     14 
     15 namespace {
     16 
     17 void CallRunExclusive(const base::WeakPtr<ExclusiveTask>& task,
     18                       scoped_ptr<SyncTaskToken> token) {
     19   if (task)
     20     task->RunExclusive(SyncTaskToken::WrapToCallback(token.Pass()));
     21 }
     22 
     23 }  // namespace
     24 
     25 ExclusiveTask::ExclusiveTask() : weak_ptr_factory_(this) {}
     26 ExclusiveTask::~ExclusiveTask() {}
     27 
     28 void ExclusiveTask::RunPreflight(scoped_ptr<SyncTaskToken> token) {
     29   scoped_ptr<BlockingFactor> blocking_factor(new BlockingFactor);
     30   blocking_factor->exclusive = true;
     31 
     32   SyncTaskManager::UpdateBlockingFactor(
     33       token.Pass(), blocking_factor.Pass(),
     34       base::Bind(&CallRunExclusive, weak_ptr_factory_.GetWeakPtr()));
     35 }
     36 
     37 }  // namespace drive_backend
     38 }  // namespace sync_file_system
     39