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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 685 matching lines @@
   if (parentBox)
     parentBox->scrollRectToVisible(newRect, alignX, alignY, scrollType,
                                    makeVisibleInVisualViewport);
 }
 
 void LayoutBox::absoluteRects(Vector<IntRect>& rects,
                               const LayoutPoint& accumulatedOffset) const {
   rects.append(pixelSnappedIntRect(accumulatedOffset, size()));
 }
 
-void LayoutBox::absoluteQuads(Vector<FloatQuad>& quads) const {
+void LayoutBox::absoluteQuads(Vector<FloatQuad>& quads,
+                              MapCoordinatesFlags mode) const {
   if (LayoutFlowThread* flowThread = flowThreadContainingBlock()) {
-    flowThread->absoluteQuadsForDescendant(*this, quads);
+    flowThread->absoluteQuadsForDescendant(*this, quads, mode);
     return;
   }
-  quads.append(localToAbsoluteQuad(FloatRect(
-      0, 0, m_frameRect.width().toFloat(), m_frameRect.height().toFloat())));
+  quads.append(
+      localToAbsoluteQuad(FloatRect(0, 0, m_frameRect.width().toFloat(),
+                                    m_frameRect.height().toFloat()),
+                          mode));
 }
 
 FloatRect LayoutBox::localBoundingBoxRectForAccessibility() const {
   return FloatRect(0, 0, m_frameRect.width().toFloat(),
                    m_frameRect.height().toFloat());
 }
 
 void LayoutBox::updateLayerTransformAfterLayout() {
   // Transform-origin depends on box size, so we need to update the layer
   // transform after layout.
@@ skipping 4963 matching lines @@
     block->adjustChildDebugRect(rect);
 
   return rect;
 }
 
 bool LayoutBox::shouldClipOverflow() const {
   return hasOverflowClip() || styleRef().containsPaint() || hasControlClip();
 }
 
 }  // namespace blink