Change the type of file_type parameter to int, as the parameter actually takes or-ed bitmasks,

chrome/installer/util/duplicate_tree_detector.cc

 // Copyright (c) 2011 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/installer/util/duplicate_tree_detector.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 
@@ skipping 10 matching lines @@
       file_util::GetFileInfo(dest_path, &dest_info)) {
     // Both paths exist, check the types:
     if (!src_info.is_directory && !dest_info.is_directory) {
       // Two files are "identical" if the file sizes are equivalent.
       is_identical = src_info.size == dest_info.size;
     } else if (src_info.is_directory && dest_info.is_directory) {
       // Two directories are "identical" if dest_path contains entries that are
       // "identical" to all the entries in src_path.
       is_identical = true;
 
-      FileEnumerator path_enum(
-          src_path,
-          false,  // Not recursive
-          static_cast<FileEnumerator::FileType>(
-              FileEnumerator::FILES | FileEnumerator::DIRECTORIES));
+      FileEnumerator path_enum(src_path, false /* not recursive */,
+          FileEnumerator::FILES | FileEnumerator::DIRECTORIES);
       for (FilePath path = path_enum.Next(); is_identical && !path.empty();
            path = path_enum.Next()) {
         is_identical =
             IsIdenticalFileHierarchy(path, dest_path.Append(path.BaseName()));
       }
     } else {
       // The two paths are of different types, so they cannot be identical.
       DCHECK(!is_identical);
     }
   }
 
   return is_identical;
 }
 
 }  // namespace installer