Add RetainedRef uses where needed.

content/browser/download/save_package.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 "content/browser/download/save_package.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 1076 matching lines @@
 
   if (!data.empty()) {
     // Prepare buffer for saving HTML data.
     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,
         base::Bind(&SaveFileManager::UpdateSaveProgress, file_manager_,
-                   save_item->id(), new_data, static_cast<int>(data.size())));
+                   save_item->id(), base::RetainedRef(new_data),
+                   static_cast<int>(data.size())));
   }
 
   // Current frame is completed saving, call finish in file thread.
   if (end_of_data) {
     DVLOG(20) << " " << __FUNCTION__ << "()"
               << " save_item_id = " << save_item->id() << " url = \""
               << save_item->url().spec() << "\"";
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
         base::Bind(&SaveFileManager::SaveFinished, file_manager_,
@@ skipping 411 matching lines @@
 
 void SavePackage::FinalizeDownloadEntry() {
   DCHECK(download_);
   DCHECK(download_manager_);
 
   download_manager_->OnSavePackageSuccessfullyFinished(download_);
   StopObservation();
 }
 
 }  // namespace content