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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 409 matching lines @@
 
   void updateBlockChildDirtyBitsBeforeLayout(bool relayoutChildren, LayoutBox&);
 
   void addOverflowFromFloats();
 
   void computeSelfHitTestRects(Vector<LayoutRect>&,
                                const LayoutPoint& layerOffset) const override;
 
   void absoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulatedOffset) const override;
-  void absoluteQuads(Vector<FloatQuad>&) const override;
-  void absoluteQuadsForSelf(Vector<FloatQuad>& quads) const override;
+  void absoluteQuads(Vector<FloatQuad>&,
+                     MapCoordinatesFlags mode = 0) const override;
+  void absoluteQuadsForSelf(Vector<FloatQuad>& quads,
+                            MapCoordinatesFlags mode = 0) const override;
   LayoutObject* hoverAncestor() const final;
 
   LayoutUnit logicalRightOffsetForLine(
       LayoutUnit logicalTop,
       LayoutUnit fixedOffset,
       IndentTextOrNot applyTextIndent,
       LayoutUnit logicalHeight = LayoutUnit()) const {
     return adjustLogicalRightOffsetForLine(
         logicalRightFloatOffsetForLine(logicalTop, fixedOffset, logicalHeight),
         applyTextIndent);
@@ skipping 503 matching lines @@
   void positionDialog();
 
   // END METHODS DEFINED IN LayoutBlockFlowLine
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlockFlow, isLayoutBlockFlow());
 
 }  // namespace blink
 
 #endif  // LayoutBlockFlow_h