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

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

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2009, 2013 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 84 matching lines @@
   void dirtyOrDeleteLineBoxesIfNeeded(bool fullLayout);
   void dirtyLineBoxes();
 
   void absoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulatedOffset) const final;
   void absoluteRectsForRange(Vector<IntRect>&,
                              unsigned startOffset = 0,
                              unsigned endOffset = INT_MAX,
                              bool useSelectionHeight = false);
 
-  void absoluteQuads(Vector<FloatQuad>&) const final;
+  void absoluteQuads(Vector<FloatQuad>&,
+                     MapCoordinatesFlags mode = 0) const final;
   void absoluteQuadsForRange(Vector<FloatQuad>&,
                              unsigned startOffset = 0,
                              unsigned endOffset = INT_MAX,
                              bool useSelectionHeight = false);
   FloatRect localBoundingBoxRectForAccessibility() const final;
 
   enum ClippingOption { NoClipping, ClipToEllipsis };
   enum LocalOrAbsoluteOption { LocalQuads, AbsoluteQuads };
   void quads(Vector<FloatQuad>&,
              ClippingOption = NoClipping,
-             LocalOrAbsoluteOption = AbsoluteQuads) const;
+             LocalOrAbsoluteOption = AbsoluteQuads,
+             MapCoordinatesFlags mode = 0) const;
 
   PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
   bool is8Bit() const { return m_text.is8Bit(); }
   const LChar* characters8() const { return m_text.impl()->characters8(); }
   const UChar* characters16() const { return m_text.impl()->characters16(); }
   bool hasEmptyText() const { return m_text.isEmpty(); }
   UChar characterAt(unsigned) const;
   UChar uncheckedCharacterAt(unsigned) const;
   UChar operator[](unsigned i) const { return uncheckedCharacterAt(i); }
@@ skipping 220 matching lines @@
 
 inline LayoutText* Text::layoutObject() const {
   return toLayoutText(CharacterData::layoutObject());
 }
 
 void applyTextTransform(const ComputedStyle*, String&, UChar);
 
 }  // namespace blink
 
 #endif  // LayoutText_h