If StylePropertySet::m_isMutable is false, the object is actually larger than sizeof(StylePropertySet) - it's sizeof(StylePropertySet) + m_arraySize * sizeof(CSSProperty).
We should include this in reportMemoryUsage() to get more accurate numbers in the Inspector.
Created attachment 153869 [details]
Comment on attachment 153869 [details]
Clearing flags on attachment: 153869
Committed r123396: <http://trac.webkit.org/changeset/123396>
All reviewed patches have been landed. Closing bug.