Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/html/HTMLFrameSetElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2009, 2010 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
  * License as published by the Free Software Foundation; either
@@ skipping 57 matching lines @@
         addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
     else
         HTMLElement::collectStyleForPresentationAttribute(name, value, style);
 }
 
 void HTMLFrameSetElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == rowsAttr) {
         if (!value.isNull()) {
             m_rowLengths = parseListOfDimensions(value.string());
-            setNeedsStyleRecalc(SubtreeStyleChange);
+            setNeedsStyleRecalc(StyleRecalcDueToFrameSet, SubtreeStyleChange);
         }
     } else if (name == colsAttr) {
         if (!value.isNull()) {
             m_colLengths = parseListOfDimensions(value.string());
-            setNeedsStyleRecalc(SubtreeStyleChange);
+            setNeedsStyleRecalc(StyleRecalcDueToFrameSet, SubtreeStyleChange);
         }
     } else if (name == frameborderAttr) {
         if (!value.isNull()) {
             if (equalIgnoringCase(value, "no") || equalIgnoringCase(value, "0")) {
                 m_frameborder = false;
                 m_frameborderSet = true;
             } else if (equalIgnoringCase(value, "yes") || equalIgnoringCase(value, "1")) {
                 m_frameborderSet = true;
             }
         } else {
@@ skipping 122 matching lines @@
     Element* frameElement = children()->namedItem(name);
     if (!isHTMLFrameElement(frameElement))
         return 0;
     Document* document = toHTMLFrameElement(frameElement)->contentDocument();
     if (!document || !document->frame())
         return 0;
     return document->domWindow();
 }
 
 } // namespace blink