diff -r 000000000000 -r 6474c204b198 layout/forms/nsHTMLButtonControlFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/forms/nsHTMLButtonControlFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,109 @@
+/* -*- 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 nsHTMLButtonControlFrame_h___
+#define nsHTMLButtonControlFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsIFormControlFrame.h"
+#include "nsButtonFrameRenderer.h"
+
+class nsRenderingContext;
+class nsPresContext;
+
+class nsHTMLButtonControlFrame : public nsContainerFrame,
+                                 public nsIFormControlFrame 
+{
+public:
+  nsHTMLButtonControlFrame(nsStyleContext* aContext);
+  ~nsHTMLButtonControlFrame();
+
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
+
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
+
+  virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+
+  virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+
+  virtual nsresult Reflow(nsPresContext*           aPresContext,
+                          nsHTMLReflowMetrics&     aDesiredSize,
+                          const nsHTMLReflowState& aReflowState,
+                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
+
+  virtual nsresult HandleEvent(nsPresContext* aPresContext, 
+                               mozilla::WidgetGUIEvent* aEvent,
+                               nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  virtual void Init(nsIContent*      aContent,
+                    nsIFrame*        aParent,
+                    nsIFrame*        asPrevInFlow) MOZ_OVERRIDE;
+
+  virtual nsStyleContext* GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;
+  virtual void SetAdditionalStyleContext(int32_t aIndex, 
+                                         nsStyleContext* aStyleContext) MOZ_OVERRIDE;
+ 
+  virtual nsresult AppendFrames(ChildListID     aListID,
+                                nsFrameList&    aFrameList) MOZ_OVERRIDE;
+
+  virtual nsresult InsertFrames(ChildListID     aListID,
+                                nsIFrame*       aPrevFrame,
+                                nsFrameList&    aFrameList) MOZ_OVERRIDE;
+
+  virtual nsresult RemoveFrame(ChildListID     aListID,
+                               nsIFrame*       aOldFrame) MOZ_OVERRIDE;
+
+#ifdef ACCESSIBILITY
+  virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
+#endif
+
+  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
+  
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
+    return MakeFrameName(NS_LITERAL_STRING("HTMLButtonControl"), aResult);
+  }
+#endif
+
+  virtual bool HonorPrintBackgroundSettings() MOZ_OVERRIDE { return false; }
+
+  // nsIFormControlFrame
+  void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
+  virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
+
+  // Inserted child content gets its frames parented by our child block
+  virtual nsIFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
+    return GetFirstPrincipalChild()->GetContentInsertionFrame();
+  }
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
+  {
+    return nsContainerFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
+  }
+
+protected:
+  virtual bool IsInput() { return false; }
+  // Reflows the button's sole child frame, and computes the desired size
+  // of the button itself from the results.
+  void ReflowButtonContents(nsPresContext* aPresContext,
+                            nsHTMLReflowMetrics& aButtonDesiredSize,
+                            const nsHTMLReflowState& aButtonReflowState,
+                            nsIFrame* aFirstKid);
+
+  nsButtonFrameRenderer mRenderer;
+};
+
+#endif
+
+
+
+