Change base/file_utils.h includes to base/files/file_utils.h in chrome/, part 2.

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/files/file_enumerator.h"
+#include "base/files/file_util.h"
 #include "base/logging.h"
 
 namespace installer {
 
 bool IsIdenticalFileHierarchy(const base::FilePath& src_path,
                               const base::FilePath& dest_path) {
   base::File::Info src_info;
   base::File::Info dest_info;
 
   bool is_identical = false;
@@ skipping 26 matching lines @@
     } else {
       // The two paths are of different types, so they cannot be identical.
       DCHECK(!is_identical);
     }
   }
 
   return is_identical;
 }
 
 }  // namespace installer