Use URLFetcher to download ChromeOS recovery image config file

chrome/browser/chromeos/imageburner/burn_controller.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/browser/chromeos/imageburner/burn_controller.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/cros/burn_library.h"
@@ skipping 193 matching lines @@
   virtual void OnError(int error_message_id) OVERRIDE {
     delegate_->OnFail(error_message_id);
     working_ = false;
   }
 
   // Part of BurnManager::Delegate interface.
   virtual void OnImageDirCreated(bool success) OVERRIDE {
     if (success) {
       zip_image_file_path_ =
           burn_manager_->GetImageDir().Append(kImageZipFileName);
-      burn_manager_->FetchConfigFile(web_contents_, this);
+      burn_manager_->FetchConfigFile(this);
     } else {
       DownloadCompleted(success);
     }
   }
 
   // Part of BurnManager::Delegate interface.
   virtual void OnConfigFileFetched(const ConfigFile& config_file, bool success)
       OVERRIDE {
     if (!success || !ExtractInfoFromConfigFile(config_file)) {
       DownloadCompleted(false);
@@ skipping 227 matching lines @@
 
 // static
 BurnController* BurnController::CreateBurnController(
     content::WebContents* web_contents,
     Delegate* delegate) {
   return new BurnControllerImpl(web_contents, delegate);
 }
 
 }  // namespace imageburner
 }  // namespace chromeos