Lazily update tokens in DOMTokenList when the associated attribute value changes for performance.
Created attachment 276175 [details] Patch
Comment on attachment 276175 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=276175&action=review > Source/WebCore/html/DOMTokenList.cpp:231 > + updateTokensFromAttributeValue(m_element.getAttribute(m_attributeName)); Use fastGetAttribute?
Created attachment 276236 [details] Patch
Comment on attachment 276236 [details] Patch Clearing flags on attachment: 276236 Committed r199360: <http://trac.webkit.org/changeset/199360>
All reviewed patches have been landed. Closing bug.
Re-opened since this is blocked by bug 156508