(From update of attachment 291129) You probably also need to add some ifdefs around the moz-icon:// stuff in toolkit/themes/gnomestripe/global/button.css and toolkit/themes/gnomestripe/global/global.css so that winstripe's version is used instead.
(From update of attachment 291129) themes/ gnomestripe/ global/ button. css and toolkit/ themes/ gnomestripe/ global/ global. css so that winstripe's version is used instead.
You probably also need to add some ifdefs around the moz-icon:// stuff in toolkit/