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

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

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
index be37a982fc9c18ffdb167a9c0f4caea8e3e28629..09662931475073ab2077ff2c2f53c418e49a8b56 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
@@ -410,13 +410,15 @@ class CORE_EXPORT LayoutBoxModelObject : public LayoutObject {
   bool backgroundStolenForBeingBody(
       const ComputedStyle* rootElementStyle = nullptr) const;
 
-  void absoluteQuads(Vector<FloatQuad>& quads) const override;
+  void absoluteQuads(Vector<FloatQuad>& quads,
+                     MapCoordinatesFlags mode = 0) const override;
 
  protected:
   // Compute absolute quads for |this|, but not any continuations. May only be
   // called for objects which can be or have continuations, i.e. LayoutInline or
   // LayoutBlockFlow.
-  virtual void absoluteQuadsForSelf(Vector<FloatQuad>& quads) const;
+  virtual void absoluteQuadsForSelf(Vector<FloatQuad>& quads,
+                                    MapCoordinatesFlags mode = 0) const;
 
   void willBeDestroyed() override;