1 files changed, 43 insertions, 0 deletions
diff --git a/dom/file/FileCreatorHelper.h b/dom/file/FileCreatorHelper.h
new file mode 100644
index 0000000000..f0b666cc58
--- /dev/null
+++ b/dom/file/FileCreatorHelper.h
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_FileCreatorHelper_h
+#define mozilla_dom_FileCreatorHelper_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/RefPtr.h"
+#include "nsISupportsImpl.h"
+
+// Undefine the macro of CreateFile to avoid FileCreatorHelper#CreateFile being
+// replaced by FileCreatorHelper#CreateFileW.
+#ifdef CreateFile
+#  undef CreateFile
+#endif
+
+class nsIFile;
+class nsIGlobalObject;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+struct ChromeFilePropertyBag;
+class Promise;
+
+class FileCreatorHelper final {
+ public:
+  static already_AddRefed<Promise> CreateFile(nsIGlobalObject* aGlobalObject,
+                                              nsIFile* aFile,
+                                              const ChromeFilePropertyBag& aBag,
+                                              bool aIsFromNsIFile,
+                                              ErrorResult& aRv);
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_FileCreatorHelper_h