Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/html/HTMLTableElement.cpp

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010, 2011 Apple Inc. 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 224 matching lines @@
         exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is greater than the number of rows in the table (" + String::number(i) + ").");
         return;
     }
     row->remove(exceptionState);
 }
 
 void HTMLTableElement::setNeedsTableStyleRecalc() const
 {
     Element* element = ElementTraversal::next(*this, this);
     while (element) {
-        element->setNeedsStyleRecalc(LocalStyleChange);
+        element->setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::fromAttribute(rulesAttr));
         if (isHTMLTableCellElement(*element))
             element = ElementTraversal::nextSkippingChildren(*element, this);
         else
             element = ElementTraversal::next(*element, this);
     }
 }
 
 static bool getBordersFromFrameAttributeValue(const AtomicString& value, bool& borderTop, bool& borderRight, bool& borderBottom, bool& borderLeft)
 {
     borderTop = false;
@@ skipping 302 matching lines @@
     return getAttribute(summaryAttr);
 }
 
 void HTMLTableElement::trace(Visitor* visitor)
 {
     visitor->trace(m_sharedCellStyle);
     HTMLElement::trace(visitor);
 }
 
 }