1 files changed, 22 insertions, 0 deletions
diff --git a/layout/style/nsFontFaceUtils.h b/layout/style/nsFontFaceUtils.h
new file mode 100644
index 0000000000..d753ea3ee2
--- /dev/null
+++ b/layout/style/nsFontFaceUtils.h
@@ -0,0 +1,22 @@
+/* -*- 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/. */
+
+/* helper utilities for working with downloadable fonts */
+
+#ifndef nsFontFaceUtils_h_
+#define nsFontFaceUtils_h_
+
+class gfxUserFontEntry;
+class nsIFrame;
+
+class nsFontFaceUtils {
+ public:
+  // mark dirty frames affected by a downloadable font
+  static void MarkDirtyForFontChange(nsIFrame* aSubtreeRoot,
+                                     const gfxUserFontEntry* aFont);
+};
+
+#endif /* !defined(nsFontFaceUtils_h_) */