Delete selection gap code.

third_party/WebKit/Source/core/layout/LayoutBlockFlow.h

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlow.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.h b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.h
index cc1dc25e817df631e96b0409d12769b80ca4dd61..4e4298079c43a71cdfaafa3c662ed697972e42e8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.h
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.h
@@ -207,25 +207,6 @@ public:
     // FIXME: This should be const to avoid a const_cast, but can modify child dirty bits and LayoutTextCombine
     void computeInlinePreferredLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth);
 
-    bool shouldPaintSelectionGaps() const final;
-    LayoutRect logicalLeftSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        const LineLayoutItem selObj, LayoutUnit logicalLeft, LayoutUnit logicalTop, LayoutUnit logicalHeight, const PaintInfo*) const;
-    LayoutRect logicalRightSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        const LineLayoutItem selObj, LayoutUnit logicalRight, LayoutUnit logicalTop, LayoutUnit logicalHeight, const PaintInfo*) const;
-    void getSelectionGapInfo(SelectionState, bool& leftGap, bool& rightGap) const;
-
-    LayoutRect selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const final;
-    GapRects selectionGapRectsForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const;
-    GapRects selectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight,
-        const PaintInfo* = nullptr, ClipScope* = nullptr) const;
-    GapRects inlineSelectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight, const PaintInfo*) const;
-    GapRects blockSelectionGaps(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        LayoutUnit& lastLogicalTop, LayoutUnit& lastLogicalLeft, LayoutUnit& lastLogicalRight, const PaintInfo*) const;
-    LayoutRect blockSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock,
-        LayoutUnit lastLogicalTop, LayoutUnit lastLogicalLeft, LayoutUnit lastLogicalRight, LayoutUnit logicalBottom, const PaintInfo*) const;
-
     bool allowsPaginationStrut() const;
     // Pagination strut caused by the first line or child block inside this block-level object.
     //
@@ -358,7 +339,6 @@ private:
     void invalidatePaintForOverhangingFloats(bool paintAllDescendants) final;
     void invalidatePaintForOverflow() final;
     void paintFloats(const PaintInfo&, const LayoutPoint&) const final;
-    void paintSelection(const PaintInfo&, const LayoutPoint&) const final;
     virtual void clipOutFloatingObjects(const LayoutBlock*, ClipScope&, const LayoutPoint&, const LayoutSize&) const;
     void clearFloats(EClear);