When we implement DOMMatrix, we should alias WebKitCSSMatrix. https://github.com/whatwg/compat/issues/19
<rdar://problem/24418658>
Created attachment 409785 [details] Patch
Created attachment 409786 [details] Patch
Created attachment 409792 [details] Patch
Created attachment 409818 [details] Patch
Created attachment 409821 [details] Patch
Created attachment 409823 [details] Patch
Committed r267654: <https://trac.webkit.org/changeset/267654> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409823 [details].