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diff --git a/net/url_request/url_request_file_job.h b/net/url_request/url_request_file_job.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef BASE_URL_REQUEST_URL_REQUEST_FILE_JOB_H__
+#define BASE_URL_REQUEST_URL_REQUEST_FILE_JOB_H__
+
+#include "base/lock.h"
+#include "base/message_loop.h"
+#include "base/thread.h"
+#include "net/url_request/url_request.h"
+#include "net/url_request/url_request_job.h"
+#include "testing/gtest/include/gtest/gtest_prod.h"
+
+// A request job that handles reading file URLs
+class URLRequestFileJob : public URLRequestJob,
+                          protected MessageLoop::Watcher {
+ public:
+  URLRequestFileJob(URLRequest* request);
+  virtual ~URLRequestFileJob();
+
+  virtual void Start();
+  virtual void Kill();
+  virtual bool ReadRawData(char* buf, int buf_size, int *bytes_read);
+  virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
+
+  virtual bool GetMimeType(std::string* mime_type);
+
+  // Checks the status of the file. Set is_directory_ and is_not_found_
+  // accordingly. Call StartAsync on the main message loop when it's done.
+  void ResolveFile();
+
+  static URLRequest::ProtocolFactory Factory;
+
+ protected:
+  // The OS-specific full path name of the file
+  std::wstring file_path_;
+
+ private:
+  // The net util test wants to run our FileURLToFilePath function.
+  FRIEND_TEST(NetUtilTest, FileURLConversion);
+
+  void CloseHandles();
+  void StartAsync();
+
+  // MessageLoop::Watcher callback
+  virtual void OnObjectSignaled(HANDLE object);
+
+  // We use overlapped reads to ensure that reads from network file systems do
+  // not hang the application thread.
+  HANDLE handle_;
+  OVERLAPPED overlapped_;
+  bool is_waiting_;  // true when waiting for overlapped result
+  bool is_directory_;  // true when the file request is for a direcotry.
+  bool is_not_found_;  // true when the file requested does not exist.
+
+  // This lock ensure that the network_file_thread is not using the loop_ after
+  // is has been set to NULL in Kill().
+  Lock loop_lock_;
+
+  // Main message loop where StartAsync has to be called.
+  MessageLoop* loop_;
+
+  // Thread used to query the attributes of files on the network.
+  // We need to do it on a separate thread because it can be really
+  // slow.
+  HANDLE network_file_thread_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(URLRequestFileJob);
+};
+
+
+#endif  // BASE_URL_REQUEST_URL_REQUEST_FILE_JOB_H__