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

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1203 matching lines @@
 
   FloatRect absoluteBoundingBoxFloatRect() const;
   // This returns an IntRect enclosing this object. If this object has an
   // integral size and the position has fractional values, the resultant
   // IntRect can be larger than the integral size.
   IntRect absoluteBoundingBoxRect() const;
   // FIXME: This function should go away eventually
   IntRect absoluteBoundingBoxRectIgnoringTransforms() const;
 
   // Build an array of quads in absolute coords for line boxes
-  virtual void absoluteQuads(Vector<FloatQuad>&) const {}
+  virtual void absoluteQuads(Vector<FloatQuad>&,
+                             MapCoordinatesFlags mode = 0) const {}
 
   static FloatRect absoluteBoundingBoxRectForRange(const Range*);
 
   // The bounding box (see: absoluteBoundingBoxRect) including all descendant
   // bounding boxes.
   IntRect absoluteBoundingBoxRectIncludingDescendants() const;
 
   // For accessibility, we want the bounding box rect of this element
   // in local coordinates, which can then be converted to coordinates relative
   // to any ancestor using, e.g., localToAncestorTransform.
@@ skipping 1435 matching lines @@
 CORE_EXPORT void showLineTree(const blink::LayoutObject*);
 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1);
 // We don't make object2 an optional parameter so that showLayoutTree
 // can be called from gdb easily.
 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1,
                                 const blink::LayoutObject* object2);
 
 #endif
 
 #endif  // LayoutObject_h