Fix for 101389.

themes/classic/global/mac/browser.css

@@ -0,0 +1,12 @@
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+tab[busy] {
+  list-style-image: url("chrome://global/skin/loading.gif");
+}
+
+.tabbrowser-closebox {
+  list-style-image: url("chrome://global/skin/closebox.gif");
+  margin-bottom: 3px;
+  margin-right: 2px;
+}

themes/classic/global/mac/jar.mn

@@ -1,6 +1,7 @@
 classic.jar:
     skin/classic/global/contents.rdf
     skin/classic/global/autocomplete.css
+    skin/classic/global/browser.css
     skin/classic/global/button.css
     skin/classic/global/checkbox.css
     skin/classic/global/commonDialog.css