Replaced static URLRequestFileJob factory with non-static protocol handler for File jobs

net/url_request/file_protocol_handler.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_FILE_PROTOCOL_HANDLER_H_
+#define NET_URL_REQUEST_FILE_PROTOCOL_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "net/url_request/url_request_job_factory.h"
+
+namespace net {
+
+class NetworkDelegate;
+class URLRequestJob;
+
+// Implements a ProtocolHandler for File jobs. If |network_delegate_| is NULL,
+// then all file requests will fail with ERR_ACCESS_DENIED.
+class NET_EXPORT FileProtocolHandler :
+    public URLRequestJobFactory::ProtocolHandler {
+ public:
+  explicit FileProtocolHandler(NetworkDelegate* network_delegate);
+  virtual URLRequestJob* MaybeCreateJob(URLRequest* request) const OVERRIDE;
+
+ private:
+  NetworkDelegate* network_delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileProtocolHandler);
+};
+
+}  // namespace net
+
+#endif  // NET_URL_REQUEST_FILE_PROTOCOL_HANDLER_H_