LayoutObject::AbsoluteBoundingBoxRectForRange() should take EphemeralRange

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 976 matching lines @@
 
 IntRect LayoutObject::AbsoluteElementBoundingBoxRect() const {
   Vector<LayoutRect> rects;
   const LayoutBoxModelObject& container = EnclosingLayer()->GetLayoutObject();
   AddElementVisualOverflowRects(
       rects, LayoutPoint(LocalToAncestorPoint(FloatPoint(), &container)));
   return container.LocalToAbsoluteQuad(FloatQuad(FloatRect(UnionRect(rects))))
       .EnclosingBoundingBox();
 }
 
-FloatRect LayoutObject::AbsoluteBoundingBoxRectForRange(const Range* range) {
-  if (!range || !range->startContainer())
+FloatRect LayoutObject::AbsoluteBoundingBoxRectForRange(
+    const EphemeralRange& range) {
+  if (range.IsNull() || !range.StartPosition().ComputeContainerNode())
     return FloatRect();
 
-  range->OwnerDocument().UpdateStyleAndLayout();
+  range.GetDocument().UpdateStyleAndLayout();
 
-  return ComputeTextFloatRect(EphemeralRange(range));
+  return ComputeTextFloatRect(range);
 }
 
 void LayoutObject::AddAbsoluteRectForLayer(IntRect& result) {
   if (HasLayer())
     result.Unite(AbsoluteBoundingBoxRect());
   for (LayoutObject* current = SlowFirstChild(); current;
        current = current->NextSibling())
     current->AddAbsoluteRectForLayer(result);
 }
 
@@ skipping 2628 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