Apply offset from the correct graphics layer; simplify code for link highlights.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 646 matching lines @@
   virtual bool isSelfCollapsingBlock() const { return false; }
   virtual LayoutUnit collapsedMarginBefore() const { return marginBefore(); }
   virtual LayoutUnit collapsedMarginAfter() const { return marginAfter(); }
   LayoutRectOutsets collapsedMarginBoxLogicalOutsets() const {
     return LayoutRectOutsets(collapsedMarginBefore(), LayoutUnit(),
                              collapsedMarginAfter(), LayoutUnit());
   }
 
   void absoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulatedOffset) const override;
-  void absoluteQuads(Vector<FloatQuad>&) const override;
+  void absoluteQuads(Vector<FloatQuad>&,
+                     MapCoordinatesFlags mode = 0) const override;
   FloatRect localBoundingBoxRectForAccessibility() const final;
 
   void layout() override;
   void paint(const PaintInfo&, const LayoutPoint&) const override;
   bool nodeAtPoint(HitTestResult&,
                    const HitTestLocation& locationInContainer,
                    const LayoutPoint& accumulatedOffset,
                    HitTestAction) override;
 
   LayoutUnit minPreferredLogicalWidth() const override;
@@ skipping 947 matching lines @@
 
 inline bool LayoutBox::isForcedFragmentainerBreakValue(EBreak breakValue) {
   return breakValue == BreakColumn || breakValue == BreakLeft ||
          breakValue == BreakPage || breakValue == BreakRecto ||
          breakValue == BreakRight || breakValue == BreakVerso;
 }
 
 }  // namespace blink
 
 #endif  // LayoutBox_h