diff -r 000000000000 -r 6474c204b198 layout/xul/nsSplitterFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/xul/nsSplitterFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,83 @@
+/* -*- 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/. */
+
+//
+// nsSplitterFrame
+//
+
+#ifndef nsSplitterFrame_h__
+#define nsSplitterFrame_h__
+
+
+#include "mozilla/Attributes.h"
+#include "nsBoxFrame.h"
+
+class nsSplitterFrameInner;
+
+nsIFrame* NS_NewSplitterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+class nsSplitterFrame : public nsBoxFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+
+  nsSplitterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
+    return MakeFrameName(NS_LITERAL_STRING("SplitterFrame"), aResult);
+  }
+#endif
+
+  // nsIFrame overrides
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+                                    nsIAtom* aAttribute,
+                                    int32_t aModType) MOZ_OVERRIDE;
+
+  virtual void Init(nsIContent*      aContent,
+                    nsIFrame*        aParent,
+                    nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
+
+  virtual nsresult GetCursor(const nsPoint&    aPoint,
+                             nsIFrame::Cursor& aCursor) MOZ_OVERRIDE;
+
+  NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+
+  NS_IMETHOD HandlePress(nsPresContext* aPresContext,
+                         mozilla::WidgetGUIEvent* aEvent,
+                         nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
+                                 mozilla::WidgetGUIEvent* aEvent,
+                                 nsEventStatus* aEventStatus,
+                                 bool aControlHeld) MOZ_OVERRIDE;
+
+  NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
+                        mozilla::WidgetGUIEvent* aEvent,
+                        nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
+                           mozilla::WidgetGUIEvent* aEvent,
+                           nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  virtual nsresult HandleEvent(nsPresContext* aPresContext,
+                               mozilla::WidgetGUIEvent* aEvent,
+                               nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
+
+  virtual void GetInitialOrientation(bool& aIsHorizontal) MOZ_OVERRIDE; 
+
+private:
+
+  friend class nsSplitterFrameInner;
+  nsSplitterFrameInner* mInner;
+
+}; // class nsSplitterFrame
+
+#endif