Convert Pass()→std::move() in //content/browser

content/browser/download/drag_download_util.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/drag_download_util.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 64 matching lines @@
       new_file_path = file_path->InsertBeforeExtension(suffix);
     }
 
     // http://crbug.com/110709
     base::ThreadRestrictions::ScopedAllowIO allow_io;
 
     base::File file(
         new_file_path, base::File::FLAG_CREATE | base::File::FLAG_WRITE);
     if (file.IsValid()) {
       *file_path = new_file_path;
-      return file.Pass();
+      return file;
     }
   }
 
   return base::File();
 }
 
 PromiseFileFinalizer::PromiseFileFinalizer(
     DragDownloadFile* drag_file_downloader)
     : drag_file_downloader_(drag_file_downloader) {
 }
@@ skipping 12 matching lines @@
 }
 
 PromiseFileFinalizer::~PromiseFileFinalizer() {}
 
 void PromiseFileFinalizer::Cleanup() {
   if (drag_file_downloader_.get())
     drag_file_downloader_ = NULL;
 }
 
 }  // namespace content