Revert of Remove header dependencies from sequence_checker.h to sequenced_worker_pool.h

storage/browser/quota/quota_manager.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 STORAGE_BROWSER_QUOTA_QUOTA_MANAGER_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_MANAGER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 19 matching lines @@
 #include "storage/browser/quota/quota_settings.h"
 #include "storage/browser/quota/quota_task.h"
 #include "storage/browser/quota/special_storage_policy.h"
 #include "storage/browser/quota/storage_observer.h"
 #include "storage/browser/storage_browser_export.h"
 
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 class SingleThreadTaskRunner;
-class TaskRunner;
 }
 
 namespace quota_internals {
 class QuotaInternalsProxy;
 }
 
 namespace content {
 class MockQuotaManager;
 class MockStorageClient;
 class QuotaManagerTest;
@@ skipping 417 matching lines @@
 
 struct QuotaManagerDeleter {
   static void Destruct(const QuotaManager* manager) {
     manager->DeleteOnCorrectThread();
   }
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_QUOTA_QUOTA_MANAGER_H_