Null check inlineStyle in StyledElement::invalidateStyleAttribute
Created attachment 405224 [details] Patch
<rdar://problem/66052987>
Comment on attachment 405224 [details] Patch R=me
Committed r264963: <https://trac.webkit.org/changeset/264963> All reviewed patches have been landed. Closing bug and clearing flags on attachment 405224 [details].