Reinstating this fix for the issue described in #18868, wherein some versions of Chrome open the About/"W" dropdown menu inadvertantly, like when clicking a select element. Fix was removed in the initial MP6 commit r26072, this brings it back. See #25858; props azaozz.

Built from https://develop.svn.wordpress.org/trunk@26132


git-svn-id: http://core.svn.wordpress.org/trunk@26044 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/css/admin-bar-rtl.css

@@ -100,6 +100,13 @@
 	margin-left: 0;
 }
 
+/* Prevent a Chrome bug that inadvertantly activates
+   :hover states on an element that touches the extreme 
+   top left corner of the viewport. See #18868 */
+#wpadminbar .quicklinks {
+	border-right: 1px solid transparent;
+}
+
 #wpadminbar .quicklinks ul {
 	text-align: right;
 }

wp-includes/css/admin-bar.css

@@ -100,6 +100,13 @@
 	margin-right: 0;
 }
 
+/* Prevent a Chrome bug that inadvertantly activates
+   :hover states on an element that touches the extreme 
+   top left corner of the viewport. See #18868 */
+#wpadminbar .quicklinks {
+	border-left: 1px solid transparent;
+}
+
 #wpadminbar .quicklinks ul {
 	text-align: left;
 }