net: Use SequencedTaskRunner for URLFetcherResponseWriter

chrome/browser/google_apis/drive_api_requests.h

 // Copyright (c) 2012 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_GOOGLE_APIS_DRIVE_API_REQUESTS_H_
 #define CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_REQUESTS_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
+#include "base/time/time.h"
 #include "chrome/browser/google_apis/base_requests.h"
 #include "chrome/browser/google_apis/drive_api_url_generator.h"
 #include "chrome/browser/google_apis/drive_common_callbacks.h"
 
 namespace google_apis {
 
 class ChangeList;
 class FileResource;
 class FileList;
 
@@ skipping 671 matching lines @@
                       const ProgressCallback& progress_callback);
   virtual ~DownloadFileRequest();
 
   DISALLOW_COPY_AND_ASSIGN(DownloadFileRequest);
 };
 
 }  // namespace drive
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_REQUESTS_H_