1 files changed, 37 insertions, 0 deletions
diff --git a/layout/mathml/nsMathMLsemanticsFrame.h b/layout/mathml/nsMathMLsemanticsFrame.h
new file mode 100644
index 0000000000..148c0f5697
--- /dev/null
+++ b/layout/mathml/nsMathMLsemanticsFrame.h
@@ -0,0 +1,37 @@
+/* -*- 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 nsMathMLsemanticsFrame_h___
+#define nsMathMLsemanticsFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsMathMLSelectedFrame.h"
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+//
+// <semantics> -- associate annotations with a MathML expression
+//
+
+class nsMathMLsemanticsFrame final : public nsMathMLSelectedFrame {
+ public:
+  NS_DECL_FRAMEARENA_HELPERS(nsMathMLsemanticsFrame)
+
+  friend nsIFrame* NS_NewMathMLsemanticsFrame(mozilla::PresShell* aPresShell,
+                                              ComputedStyle* aStyle);
+
+ protected:
+  explicit nsMathMLsemanticsFrame(ComputedStyle* aStyle,
+                                  nsPresContext* aPresContext)
+      : nsMathMLSelectedFrame(aStyle, aPresContext, kClassID) {}
+  virtual ~nsMathMLsemanticsFrame();
+
+  nsIFrame* GetSelectedFrame() override;
+};
+
+#endif /* nsMathMLsemanticsFrame_h___ */