Index: google-chrome-bin-4.0.213.1-r27053.ebuild
===================================================================
--- google-chrome-bin-4.0.213.1-r27053.ebuild	(revision 54)
+++ google-chrome-bin-4.0.213.1-r27053.ebuild	(revision 55)
@@ -54,7 +54,7 @@
 
 src_unpack() {
 	for i in ${A}; do
-		unpack ${i}
+		ar x "${DISTDIR}"/${i}
 		if [[ ${i} = *.deb ]]; then
 			if [[ -e "${WORKDIR}"/data.tar.lzma ]]; then
 				mv "${WORKDIR}"/data.tar.lzma "${WORKDIR}"/${i%%_*}.tar.lzma