Remove more support for floats from RenderBlockFlow.

sky/engine/core/rendering/RenderBox.h

Index: sky/engine/core/rendering/RenderBox.h
diff --git a/sky/engine/core/rendering/RenderBox.h b/sky/engine/core/rendering/RenderBox.h
index 85eb7d019fb620b75eda8dccb0cb2de2a90e46a1..43a7a3cc71714001387dd7e57c1df3f158b2c24e 100644
--- a/sky/engine/core/rendering/RenderBox.h
+++ b/sky/engine/core/rendering/RenderBox.h
@@ -391,7 +391,6 @@ public:
 
     virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const override;
     virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const override;
-    virtual void invalidatePaintForOverhangingFloats(bool paintAllDescendants);
 
     virtual LayoutUnit containingBlockLogicalWidthForContent() const override;
     LayoutUnit containingBlockLogicalHeightForContent(AvailableLogicalHeightType) const;
@@ -506,7 +505,6 @@ public:
     virtual int firstLineBoxBaseline() const { return -1; }
     virtual int inlineBlockBaseline(LineDirectionMode) const { return -1; } // Returns -1 if we should skip this box when computing the baseline of an inline-block.
 
-    bool shrinkToAvoidFloats() const;
     virtual bool avoidsFloats() const;
 
     bool isFlexItemIncludingDeprecated() const { return !isInline() && !isFloatingOrOutOfFlowPositioned() && parent() && parent()->isFlexibleBox(); }
@@ -665,7 +663,6 @@ private:
     void computePositionedLogicalWidthReplaced(LogicalExtentComputedValues&) const;
 
     LayoutUnit fillAvailableMeasure(LayoutUnit availableLogicalWidth) const;
-    LayoutUnit fillAvailableMeasure(LayoutUnit availableLogicalWidth, LayoutUnit& marginStart, LayoutUnit& marginEnd) const;
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const;