Bug 624148. Middle clicking tabbar with tabs in titlebar doesn't open a new tab. r=dao a=gavin

browser/base/content/browser.css

@@ -101,16 +101,10 @@ toolbar[printpreview="true"] {
   -moz-binding: url("chrome://global/content/bindings/toolbar.xml#toolbar-drag");
 }
 
-#titlebar-spacer,
-#main-window[tabsintitlebar]:not([inFullscreen]) .tabbrowser-arrowscrollbox > scrollbox > .scrollbox-innerbox {
+#titlebar-spacer {
   pointer-events: none;
 }
 
-.tabbrowser-tab,
-.tabs-newtab-button {
-  pointer-events: auto;
-}
-
 #main-window[tabsintitlebar] #appmenu-button-container,
 #main-window[tabsintitlebar] #titlebar-buttonbox {
   position: relative;