[Refactor] to rename and re-layer the file_util stack layers.

webkit/fileapi/file_system_test_helper.h

Index: webkit/fileapi/file_system_test_helper.h
diff --git a/webkit/fileapi/file_system_test_helper.h b/webkit/fileapi/file_system_test_helper.h
index 248290e999bade94ecac24605cd1e122b84b94ea..65623182909611acc20c990852ab7baffa50c6a7 100644
--- a/webkit/fileapi/file_system_test_helper.h
+++ b/webkit/fileapi/file_system_test_helper.h
@@ -43,9 +43,9 @@ class FileSystemTestOriginHelper {
   // If you want to use more than one FileSystemTestOriginHelper in a single
   // base directory, they have to share a context, so that they don't have
   // multiple databases fighting over the lock to the origin directory [deep
-  // down inside ObfuscatedFileSystemFileUtil].
+  // down inside ObfuscatedFileUtil].
   void SetUp(FileSystemContext* file_system_context,
-      FileSystemFileUtil* file_util);
+             FileSystemFileUtil* file_util);
   void SetUp(const FilePath& base_dir,
              bool incognito_mode,
              bool unlimited_quota,