HTMLFromElement::checkValidity() returns incorrect result if 'invalid' events are canceled.
Created attachment 79150 [details] Patch
The specification [1] says HTMLFormElement::checkValidity() result should check existence of invalid controls, not unhandled invalid controls. [1] http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#constraint-validation
Comment on attachment 79150 [details] Patch ok.
Landed: http://trac.webkit.org/changeset/76663
http://trac.webkit.org/changeset/76663 might have broken Leopard Intel Release (Tests)