Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/fileapi/file_system_dir_url_request_job.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 WEBKIT_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop_proxy.h"
 #include "base/platform_file.h"
 #include "net/url_request/url_request_job.h"
 
 namespace fileapi {
 class FileSystemContext;
 class FileSystemOperationInterface;
 
 // A request job that handles reading filesystem: URLs for directories.
 class FileSystemDirURLRequestJob : public net::URLRequestJob {
  public:
   FileSystemDirURLRequestJob(
       net::URLRequest* request,
-      FileSystemContext* file_system_context,
-      scoped_refptr<base::MessageLoopProxy> file_thread_proxy);
+      FileSystemContext* file_system_context);
 
   // URLRequestJob methods:
   virtual void Start() OVERRIDE;
   virtual void Kill() OVERRIDE;
   virtual bool ReadRawData(net::IOBuffer* buf,
                            int buf_size,
                            int* bytes_read) OVERRIDE;
   virtual bool GetCharset(std::string* charset) OVERRIDE;
 
   // FilterContext methods (via URLRequestJob):
   virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
   // TODO(adamk): Implement GetResponseInfo and GetResponseCode to simulate
   // an HTTP response.
 
  private:
   class CallbackDispatcher;
 
   virtual ~FileSystemDirURLRequestJob();
 
   void StartAsync();
   void DidReadDirectory(base::PlatformFileError result,
                         const std::vector<base::FileUtilProxy::Entry>& entries,
                         bool has_more);
   FileSystemOperationInterface* GetNewOperation(const GURL& url);
 
   std::string data_;
   FileSystemContext* file_system_context_;
-  scoped_refptr<base::MessageLoopProxy> file_thread_proxy_;
   base::WeakPtrFactory<FileSystemDirURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDirURLRequestJob);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_