Re-write many calls to WrapUnique() with MakeUnique()

storage/browser/fileapi/local_file_util.cc

Index: storage/browser/fileapi/local_file_util.cc
diff --git a/storage/browser/fileapi/local_file_util.cc b/storage/browser/fileapi/local_file_util.cc
index 02268996e2f8805c4d1d620a49d3cb0493453a7a..32ce0dd7b1713b21ccc7e7ad78727ce46950cbfa 100644
--- a/storage/browser/fileapi/local_file_util.cc
+++ b/storage/browser/fileapi/local_file_util.cc
@@ -145,9 +145,9 @@ LocalFileUtil::CreateFileEnumerator(FileSystemOperationContext* context,
       base::File::FILE_OK) {
     return base::WrapUnique(new EmptyFileEnumerator);
   }
-  return base::WrapUnique(new LocalFileEnumerator(
+  return base::MakeUnique<LocalFileEnumerator>(
       file_path, root_url.path(),
-      base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES));
+      base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES);
 }
 
 base::File::Error LocalFileUtil::GetLocalFilePath(