Fix save file stuff to use scoped_refptr for refcounted params.

chrome/browser/download/save_package.cc

 // Copyright (c) 2010 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/download/save_package.h"
 
 #include "app/l10n_util.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/i18n/file_util_icu.h"
@@ skipping 1007 matching lines @@
   }
 
   SaveUrlItemMap::iterator it = in_progress_items_.find(frame_url.spec());
   if (it == in_progress_items_.end())
     return;
   SaveItem* save_item = it->second;
   DCHECK(save_item->save_source() == SaveFileCreateInfo::SAVE_FILE_FROM_DOM);
 
   if (!data.empty()) {
     // Prepare buffer for saving HTML data.
-    net::IOBuffer* new_data = new net::IOBuffer(data.size());
-    new_data->AddRef();  // We'll pass the buffer to SaveFileManager.
+    scoped_refptr<net::IOBuffer> new_data(new net::IOBuffer(data.size()));
     memcpy(new_data->data(), data.data(), data.size());
 
     // Call write file functionality in file thread.
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
         NewRunnableMethod(file_manager_,
                           &SaveFileManager::UpdateSaveProgress,
                           save_item->save_id(),
                           new_data,
                           static_cast<int>(data.size())));
@@ skipping 356 matching lines @@
                                int index, void* params) {
   SavePackageParam* save_params = reinterpret_cast<SavePackageParam*>(params);
   ContinueSave(save_params, path, index);
   delete save_params;
 }
 
 void SavePackage::FileSelectionCanceled(void* params) {
   SavePackageParam* save_params = reinterpret_cast<SavePackageParam*>(params);
   delete save_params;
 }