Remove WorkerPool dependency from URLRequestFileJob.

net/url_request/url_request_file_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 NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_
 
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/net_export.h"
 #include "net/http/http_byte_range.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_job.h"
 
 namespace base{
 struct PlatformFileInfo;
+class TaskRunner;
 }
 namespace file_util {
 struct FileInfo;
 }
 
 namespace net {
 
 class FileStream;
 
 // A request job that handles reading file URLs
 class NET_EXPORT URLRequestFileJob : public URLRequestJob {
  public:
   URLRequestFileJob(URLRequest* request,
                     NetworkDelegate* network_delegate,
-                    const base::FilePath& file_path);
+                    const base::FilePath& file_path,
+                    const scoped_refptr<base::TaskRunner>& file_task_runner);
 
   // URLRequestJob:
   virtual void Start() OVERRIDE;
   virtual void Kill() OVERRIDE;
   virtual bool ReadRawData(IOBuffer* buf,
                            int buf_size,
                            int* bytes_read) OVERRIDE;
   virtual bool IsRedirectResponse(GURL* location,
                                   int* http_status_code) OVERRIDE;
   virtual Filter* SetupFilter() const OVERRIDE;
@@ skipping 39 matching lines @@
 
   // Callback after seeking to the beginning of |byte_range_| in the file
   // on a background thread.
   void DidSeek(int64 result);
 
   // Callback after data is asynchronously read from the file.
   void DidRead(int result);
 
   scoped_ptr<FileStream> stream_;
   FileMetaInfo meta_info_;
+  const scoped_refptr<base::TaskRunner> file_task_runner_;
 
   HttpByteRange byte_range_;
   int64 remaining_bytes_;
 
   base::WeakPtrFactory<URLRequestFileJob> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestFileJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_