Bug 1519514 - make xul/mac-tab-toolbar.xul test running under chrome privileges r=bgrins

Differential Revision: https://phabricator.services.mozilla.com/D28367

--HG--
extra : moz-landing-system : lando

layout/reftests/xul/reftest.list

@@ -8,7 +8,7 @@ random-if(Android) == menulist-shrinkwrap-2.xul menulist-shrinkwrap-2-ref.xul
 # accesskeys are not normally displayed on Mac, so skip this test
 skip-if(cocoaWidget) == accesskey.xul accesskey-ref.xul
 pref(layout.css.xul-tree-pseudos.content.enabled,true) fuzzy-if(xulRuntime.widgetToolkit=="gtk3",0-1,0-11) == tree-row-outline-1.xul tree-row-outline-1-ref.xul # win8: bug 1254832
-skip-if(!cocoaWidget) fails-if(webrender&&cocoaWidget) == mac-tab-toolbar.xul mac-tab-toolbar-ref.xul
+skip-if(!cocoaWidget) fails-if(webrender&&cocoaWidget) == chrome://reftest/content/xul/mac-tab-toolbar.xul chrome://reftest/content/xul/mac-tab-toolbar-ref.xul
 pref(layout.css.xul-tree-pseudos.content.enabled,true) != tree-row-outline-1.xul tree-row-outline-1-notref.xul
 == text-crop.xul text-crop-ref.xul
 random-if(/^Windows\x20NT\x206\.1/.test(http.oscpu)) == text-small-caps-1.xul text-small-caps-1-ref.xul

layout/tools/reftest/jar.mn

@@ -1,6 +1,7 @@
 reftest.jar:
   content/moz-bool-pref.css (../../../layout/reftests/css-parsing/moz-bool-pref.css)
   content/osx-theme (../../../toolkit/themes/osx/reftests/*)
+  content/xul (../../reftests/xul/*)
   content/reftest.xul (reftest.xul)
 
   res/globals.jsm (globals.jsm)