diff -r 000000000000 -r 6474c204b198 layout/forms/nsMeterFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/forms/nsMeterFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,86 @@
+/* -*- 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 nsMeterFrame_h___
+#define nsMeterFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsCOMPtr.h"
+
+class nsMeterFrame : public nsContainerFrame,
+                     public nsIAnonymousContentCreator
+
+{
+  typedef mozilla::dom::Element Element;
+
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsMeterFrame)
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  nsMeterFrame(nsStyleContext* aContext);
+  virtual ~nsMeterFrame();
+
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
+
+  virtual nsresult Reflow(nsPresContext*           aCX,
+                          nsHTMLReflowMetrics&     aDesiredSize,
+                          const nsHTMLReflowState& aReflowState,
+                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
+    return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult);
+  }
+#endif
+
+  virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
+
+  // nsIAnonymousContentCreator
+  virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
+  virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
+                                        uint32_t aFilter) MOZ_OVERRIDE;
+
+  virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
+                                    nsIAtom* aAttribute,
+                                    int32_t  aModType) MOZ_OVERRIDE;
+
+  virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
+                                 nsSize aCBSize, nscoord aAvailableWidth,
+                                 nsSize aMargin, nsSize aBorder,
+                                 nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;
+
+  virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+  virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
+  {
+    return nsContainerFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
+  }
+
+  /**
+   * Returns whether the frame and its child should use the native style.
+   */
+  bool ShouldUseNativeStyle() const;
+
+  virtual Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;
+
+protected:
+  // Helper function which reflow the anonymous div frame.
+  void ReflowBarFrame(nsIFrame*                aBarFrame,
+                      nsPresContext*           aPresContext,
+                      const nsHTMLReflowState& aReflowState,
+                      nsReflowStatus&          aStatus);
+  /**
+   * The div used to show the meter bar.
+   * @see nsMeterFrame::CreateAnonymousContent
+   */
+  nsCOMPtr<Element> mBarDiv;
+};
+
+#endif