Use full mapLocalToAncestor machinery in ScrollingCoordinator.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  *               (http://www.torchmobile.com/)
@@ skipping 940 matching lines @@
   size_t n = quads.size();
   if (n == 0)
     return FloatRect();
 
   FloatRect result = quads[0].boundingBox();
   for (size_t i = 1; i < n; ++i)
     result.unite(quads[i].boundingBox());
   return result;
 }
 
-IntRect LayoutObject::absoluteBoundingBoxRect() const {
+IntRect LayoutObject::absoluteBoundingBoxRect(MapCoordinatesFlags flags) const {
   Vector<FloatQuad> quads;
-  absoluteQuads(quads);
+  absoluteQuads(quads, flags);
 
   size_t n = quads.size();
   if (!n)
     return IntRect();
 
   IntRect result = quads[0].enclosingBoundingBox();
   for (size_t i = 1; i < n; ++i)
     result.unite(quads[i].enclosingBoundingBox());
   return result;
 }
@@ skipping 2518 matching lines @@
     const blink::LayoutObject* root = object1;
     while (root->parent())
       root = root->parent();
     root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
   } else {
     WTFLogAlways("%s", "Cannot showLayoutTree. Root is (nil)");
   }
 }
 
 #endif