Revert 188912 "Removed static factories for data, ftp, file, and..."

trunk/src/net/url_request/url_request_data_job.cc

 // 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.
 
 // Simple implementation of a data: protocol handler.
 
 #include "net/url_request/url_request_data_job.h"
 
 #include "net/base/data_url.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 URLRequestDataJob::URLRequestDataJob(
     URLRequest* request, NetworkDelegate* network_delegate)
     : URLRequestSimpleJob(request, network_delegate) {
 }
 
+// static
+URLRequestJob* URLRequestDataJob::Factory(URLRequest* request,
+                                          NetworkDelegate* network_delegate,
+                                          const std::string& scheme) {
+  return new URLRequestDataJob(request, network_delegate);
+}
+
 int URLRequestDataJob::GetData(std::string* mime_type,
                                std::string* charset,
                                std::string* data,
                                const CompletionCallback& callback) const {
   // Check if data URL is valid. If not, don't bother to try to extract data.
   // Otherwise, parse the data from the data URL.
   const GURL& url = request_->url();
   if (!url.is_valid())
     return ERR_INVALID_URL;
   return DataURL::Parse(url, mime_type, charset, data)? OK: ERR_INVALID_URL;
 }
 
 URLRequestDataJob::~URLRequestDataJob() {
 }
 
 }  // namespace net