Don't skip table rows when computing visual rects if the row is the ancestor.

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
  * modify it under the terms of the GNU Library General Public
@@ skipping 2026 matching lines @@
 {
     inflateVisualRectForReflectionAndFilter(rect);
 
     if (ancestor == this)
         return true;
 
     bool ancestorSkipped;
     bool filterOrReflectionSkipped;
     LayoutObject* container = this->container(ancestor, &ancestorSkipped, &filterOrReflectionSkipped);
     LayoutBox* localContainingBlock = containingBlock();
-    // Skip table row because cells and rows are in the same coordinate space.
-    if (container->isTableRow()) {
+    // Skip table row because cells and rows are in the same coordinate space, except when we're already at the ancestor.
+    if (container->isTableRow() && container != ancestor) {
         DCHECK(isTableCell());
         localContainingBlock = toLayoutBox(container->parent());
         container = container->parent();
     }
     if (!container)
         return true;
 
     if (filterOrReflectionSkipped)
         inflateVisualRectForReflectionAndFilterUnderContainer(rect, *container, ancestor);
 
@@ skipping 2867 matching lines @@
         m_rareData->m_snapAreas->remove(&snapArea);
     }
 }
 
 SnapAreaSet* LayoutBox::snapAreas() const
 {
     return m_rareData ? m_rareData->m_snapAreas.get() : nullptr;
 }
 
 } // namespace blink