diff -r 000000000000 -r 6474c204b198 layout/generic/nsFirstLetterFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/generic/nsFirstLetterFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,88 @@
+/* -*- 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 nsFirstLetterFrame_h__
+#define nsFirstLetterFrame_h__
+
+/* rendering object for CSS :first-letter pseudo-element */
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+
+class nsFirstLetterFrame MOZ_FINAL : public nsContainerFrame {
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame)
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
+
+  virtual void Init(nsIContent*      aContent,
+                    nsIFrame*        aParent,
+                    nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
+  virtual nsresult SetInitialChildList(ChildListID     aListID,
+                                       nsFrameList&    aChildList) MOZ_OVERRIDE;
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
+#endif
+  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
+
+  bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; }
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
+  {
+    if (!IsFloating())
+      aFlags = aFlags & ~(nsIFrame::eLineParticipant);
+    return nsContainerFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eBidiInlineContainer));
+  }
+
+  virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+  virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
+  virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
+                                 InlineMinWidthData *aData) MOZ_OVERRIDE;
+  virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
+                                  InlinePrefWidthData *aData) MOZ_OVERRIDE;
+  virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
+                             nsSize aCBSize, nscoord aAvailableWidth,
+                             nsSize aMargin, nsSize aBorder, nsSize aPadding,
+                             uint32_t aFlags) MOZ_OVERRIDE;
+  virtual nsresult Reflow(nsPresContext*           aPresContext,
+                          nsHTMLReflowMetrics&     aDesiredSize,
+                          const nsHTMLReflowState& aReflowState,
+                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
+
+  virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
+  virtual nscoord GetBaseline() const MOZ_OVERRIDE;
+  virtual int GetLogicalSkipSides(const nsHTMLReflowState* aReflowState = nullptr) const MOZ_OVERRIDE;
+
+//override of nsFrame method
+  virtual nsresult GetChildFrameContainingOffset(int32_t inContentOffset,
+                                                 bool inHint,
+                                                 int32_t* outFrameContentOffset,
+                                                 nsIFrame** outChildFrame) MOZ_OVERRIDE;
+
+  nscoord GetFirstLetterBaseline() const { return mBaseline; }
+
+  // For floating first letter frames, create a continuation for aChild and
+  // place it in the correct place. aContinuation is an outparam for the
+  // continuation that is created. aIsFluid determines if the continuation is
+  // fluid or not.
+  nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext,
+                                               nsIFrame* aChild,
+                                               nsIFrame** aContinuation,
+                                               bool aIsFluid);
+
+protected:
+  nscoord mBaseline;
+
+  void DrainOverflowFrames(nsPresContext* aPresContext);
+};
+
+#endif /* nsFirstLetterFrame_h__ */