Fix the last scoped_refptr misuses in NewRunnableMethod.

chrome/browser/download/download_item.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/download_item.h"
 
 #include "app/l10n_util.h"
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 386 matching lines @@
 }
 
 void DownloadItem::OnSafeDownloadFinished(DownloadFileManager* file_manager) {
   DCHECK_EQ(SAFE, safety_state());
   DCHECK(file_manager);
   if (NeedsRename()) {
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
         NewRunnableMethod(
             file_manager, &DownloadFileManager::OnFinalDownloadName,
-            id(), GetTargetFilePath(), false, download_manager_));
+            id(), GetTargetFilePath(), false,
+            make_scoped_refptr(download_manager_)));
     return;
   }
 
   Finished();
 }
 
 void DownloadItem::OnDownloadRenamedToFinalName(const FilePath& full_path) {
   bool needed_rename = NeedsRename();
 
   Rename(full_path);
@@ skipping 72 matching lines @@
         target_name_.value().c_str(),
         full_path().value().c_str(),
         DebugSafetyStateString(safety_state()));
   }
 
   description += base::StringPrintf(" state = %s }",
                                     DebugDownloadStateString(state()));
 
   return description;
 }