*** NOT FOR LANDING *** mapLocalToContainer and offsetFromContainer cleanup.

Source/core/layout/LayoutBox.h

Index: Source/core/layout/LayoutBox.h
diff --git a/Source/core/layout/LayoutBox.h b/Source/core/layout/LayoutBox.h
index 82eed0f075969357144384e105ac6408ef135df3..9bbb310055835eaf9680b05c374ef91a757e30a3 100644
--- a/Source/core/layout/LayoutBox.h
+++ b/Source/core/layout/LayoutBox.h
@@ -427,7 +427,7 @@ public:
     void setExtraBlockOffset(LayoutUnit blockOffest);
     void clearExtraInlineAndBlockOffests();
 
-    virtual LayoutSize offsetFromContainer(const LayoutObject*, const LayoutPoint&, bool* offsetDependsOnPoint = nullptr) const override;
+    LayoutSize offsetFromContainer(const LayoutObject*) const override;
 
     LayoutUnit adjustBorderBoxLogicalWidthForBoxSizing(LayoutUnit width) const;
     LayoutUnit adjustBorderBoxLogicalHeightForBoxSizing(LayoutUnit height) const;
@@ -750,7 +750,6 @@ protected:
 
     virtual bool shouldComputeSizeAsReplaced() const { return isReplaced() && !isInlineBlockOrInlineTable(); }
 
-    virtual void mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = nullptr, const PaintInvalidationState* = nullptr) const override;
     virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const override;
 
     LayoutObject* splitAnonymousBoxesAroundChild(LayoutObject* beforeChild);