Changing CloudPrintURLFetcher instantiation to be more testable

chrome/service/cloud_print/cloud_print_wipeout.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.
 
 #include "chrome/service/cloud_print/cloud_print_wipeout.h"
 
 #include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "chrome/common/cloud_print/cloud_print_helpers.h"
 
 const int kMaxWipeoutAttempts = 3;
@@ skipping 20 matching lines @@
     client_->OnUnregisterPrintersComplete();
     return;
   }
 
   std::string printer_id = printer_ids_.front();
   printer_ids_.pop_front();
 
   GURL url = GetUrlForPrinterDelete(cloud_print_server_url_,
                                     printer_id,
                                     "connector_disabled");
-  request_ = new CloudPrintURLFetcher;
+  request_ = CloudPrintURLFetcher::Create();
   request_->StartGetRequest(url, this, kMaxWipeoutAttempts, std::string());
 }
 
 CloudPrintURLFetcher::ResponseAction CloudPrintWipeout::HandleJSONData(
     const net::URLFetcher* source,
     const GURL& url,
     base::DictionaryValue* json_data,
     bool succeeded) {
   // We don't care if delete was sucessful or not here.
   UnregisterNextPrinter();
   return CloudPrintURLFetcher::STOP_PROCESSING;
 }
 
 void CloudPrintWipeout::OnRequestGiveUp() {
   UnregisterNextPrinter();
 }
 
 CloudPrintURLFetcher::ResponseAction CloudPrintWipeout::OnRequestAuthError() {
   // We can't recover from auth rrror. Report complition to stop service.
   client_->OnUnregisterPrintersComplete();
   return CloudPrintURLFetcher::STOP_PROCESSING;
 }
 
 std::string CloudPrintWipeout::GetAuthHeader() {
   return GetCloudPrintAuthHeader(auth_token_);
 }
 
 }  // namespace cloud_print