1 files changed, 30 insertions, 0 deletions
diff --git a/layout/style/DocumentMatchingFunction.h b/layout/style/DocumentMatchingFunction.h
new file mode 100644
index 0000000000..f22161c339
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+++ b/layout/style/DocumentMatchingFunction.h
@@ -0,0 +1,30 @@
+/* -*- 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_css_DocumentMatchingFunction_h
+#define mozilla_css_DocumentMatchingFunction_h
+
+namespace mozilla {
+namespace css {
+
+/**
+ * Enum defining the type of matching function for a @-moz-document rule
+ * condition.
+ */
+enum class DocumentMatchingFunction {
+  URL = 0,
+  URLPrefix,
+  Domain,
+  RegExp,
+  MediaDocument,
+  PlainTextDocument,
+  UnobservableDocument,
+};
+
+}  // namespace css
+}  // namespace mozilla
+
+#endif  // mozilla_css_DocumentMatchingFunction_h