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

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

 /*
  * 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
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2445 matching lines @@
   rect.expand(collapsedMarginBoxLogicalOutsets());
   rects.append(pixelSnappedIntRect(rect));
   continuation()->absoluteRects(
       rects,
       accumulatedOffset -
           toLayoutSize(
               location() +
               inlineElementContinuation()->containingBlock()->location()));
 }
 
-void LayoutBlockFlow::absoluteQuads(Vector<FloatQuad>& quads) const {
+void LayoutBlockFlow::absoluteQuads(Vector<FloatQuad>& quads,
+                                    MapCoordinatesFlags mode) const {
   if (!isAnonymousBlockContinuation()) {
-    LayoutBlock::absoluteQuads(quads);
+    LayoutBlock::absoluteQuads(quads, mode);
     return;
   }
-  LayoutBoxModelObject::absoluteQuads(quads);
+  LayoutBoxModelObject::absoluteQuads(quads, mode);
 }
 
-void LayoutBlockFlow::absoluteQuadsForSelf(Vector<FloatQuad>& quads) const {
+void LayoutBlockFlow::absoluteQuadsForSelf(Vector<FloatQuad>& quads,
+                                           MapCoordinatesFlags mode) const {
   // For blocks inside inlines, we go ahead and include margins so that we run
   // right up to the inline boxes above and below us (thus getting merged with
   // them to form a single irregular shape).
   // FIXME: This is wrong for vertical writing-modes.
   // https://bugs.webkit.org/show_bug.cgi?id=46781
   LayoutRect localRect(LayoutPoint(), size());
   localRect.expand(collapsedMarginBoxLogicalOutsets());
-  quads.append(localToAbsoluteQuad(FloatRect(localRect)));
+  quads.append(localToAbsoluteQuad(FloatRect(localRect), mode));
 }
 
 LayoutObject* LayoutBlockFlow::hoverAncestor() const {
   return isAnonymousBlockContinuation() ? continuation()
                                         : LayoutBlock::hoverAncestor();
 }
 
 RootInlineBox* LayoutBlockFlow::createAndAppendRootInlineBox() {
   RootInlineBox* rootBox = createRootInlineBox();
   m_lineBoxes.appendLineBox(rootBox);
@@ skipping 2103 matching lines @@
   return LayoutBlock::invalidatePaintIfNeeded(paintInvalidationState);
 }
 
 void LayoutBlockFlow::invalidateDisplayItemClients(
     PaintInvalidationReason invalidationReason) const {
   BlockFlowPaintInvalidator(*this).invalidateDisplayItemClients(
       invalidationReason);
 }
 
 }  // namespace blink