diff -r 000000000000 -r 6474c204b198 layout/mathml/nsMathMLSelectedFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/mathml/nsMathMLSelectedFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsMathMLSelectedFrame_h___
+#define nsMathMLSelectedFrame_h___
+
+#include "nsMathMLContainerFrame.h"
+
+class nsMathMLSelectedFrame : public nsMathMLContainerFrame {
+public:
+  virtual void
+  Init(nsIContent*      aContent,
+       nsIFrame*        aParent,
+       nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
+
+  NS_IMETHOD
+  TransmitAutomaticData() MOZ_OVERRIDE;
+
+  virtual nsresult
+  SetInitialChildList(ChildListID     aListID,
+                      nsFrameList&    aChildList) MOZ_OVERRIDE;
+
+  virtual nsresult
+  ChildListChanged(int32_t aModType) MOZ_OVERRIDE;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
+
+  virtual nsresult
+  Place(nsRenderingContext& aRenderingContext,
+        bool                 aPlaceOrigin,
+        nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
+
+  virtual nsresult
+  Reflow(nsPresContext*          aPresContext,
+         nsHTMLReflowMetrics&     aDesiredSize,
+         const nsHTMLReflowState& aReflowState,
+         nsReflowStatus&          aStatus) MOZ_OVERRIDE;
+
+  virtual nsQueryFrame::FrameIID GetFrameId() = 0;
+
+protected:
+  nsMathMLSelectedFrame(nsStyleContext* aContext) :
+    nsMathMLContainerFrame(aContext) {}
+  virtual ~nsMathMLSelectedFrame();
+  
+  virtual nsIFrame* GetSelectedFrame() = 0;
+  nsIFrame*       mSelectedFrame;
+
+  bool            mInvalidMarkup;
+  
+private:
+  void* operator new(size_t, nsIPresShell*) MOZ_MUST_OVERRIDE MOZ_DELETE;
+};
+
+#endif /* nsMathMLSelectedFrame_h___ */