Backed out 0812db89f2f2 in preparation for aurora merge, since followup bugs didn't make it

--HG--
extra : rebase_source : 736f5b91ade5fa590afe762cef7e0ff57c117a27

browser/themes/gnomestripe/browser/browser.css

@@ -603,37 +603,18 @@ toolbar[mode="full"] .toolbarbutton-1 > .toolbarbutton-menubutton-button {
 
 #forward-button {
   list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar");
-  -moz-transition: 250ms ease-out;
 }
+#forward-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar&state=disabled");
+}
+
 #forward-button:-moz-locale-dir(rtl) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar");
 }
-
-toolbar:not([mode=icons]) #forward-button[disabled="true"] {
-  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar&state=disabled");
-}
-toolbar:not([mode=icons]) #forward-button[disabled="true"]:-moz-locale-dir(rtl) {
+#forward-button[disabled="true"]:-moz-locale-dir(rtl) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar&state=disabled");
 }
 
-toolbar[mode=icons] #forward-button[disabled="true"] {
-  -moz-transform: scale(0);
-  opacity: 0;
-  pointer-events: none;
-}
-toolbar[mode=icons] #forward-button[disabled="true"]:-moz-locale-dir(ltr) {
-  margin-left: -36px;
-}
-toolbar[mode=icons] #forward-button[disabled="true"]:-moz-locale-dir(rtl) {
-  margin-right: -36px;
-}
-toolbar[mode=icons][iconsize=small] #forward-button[disabled="true"]:-moz-locale-dir(ltr) {
-  margin-left: -28px;
-}
-toolbar[mode=icons][iconsize=small] #forward-button[disabled="true"]:-moz-locale-dir(rtl) {
-  margin-right: -28px;
-}
-
 #reload-button {
   list-style-image: url("moz-icon://stock/gtk-refresh?size=toolbar");
 }
@@ -805,7 +786,7 @@ toolbar[iconsize="small"] #forward-button {
 .unified-nav-forward[_moz-menuactive] {
   list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=menu") !important;
 }
-toolbar[iconsize="small"]:not([mode=icons]) #forward-button[disabled="true"] {
+toolbar[iconsize="small"] #forward-button[disabled="true"] {
   list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=menu&state=disabled");
 }
 
@@ -815,7 +796,7 @@ toolbar[iconsize="small"] #forward-button:-moz-locale-dir(rtl) {
 .unified-nav-forward[_moz-menuactive]:-moz-locale-dir(rtl) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu") !important;
 }
-toolbar[iconsize="small"]:not([mode=icons]) #forward-button[disabled="true"]:-moz-locale-dir(rtl) {
+toolbar[iconsize="small"] #forward-button[disabled="true"]:-moz-locale-dir(rtl) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu&state=disabled");
 }