Bug 908534 - test that chromeUI notification is shown for about:support when opened as a new tab, r=ttaubert

browser/base/content/test/general/browser.ini

@@ -87,6 +87,7 @@ skip-if = (os == "linux" || os == "mac") && debug # bug 970052, bug 970053
 skip-if = os == "linux" # Bug 958026
 support-files =
   content_aboutAccounts.js
+[browser_aboutSupport_newtab_security_state.js]
 [browser_aboutHealthReport.js]
 skip-if = os == "linux" # Bug 924307
 [browser_aboutHome.js]

browser/base/content/test/general/browser_aboutSupport_newtab_security_state.js

@@ -0,0 +1,20 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+add_task(function* checkIdentityOfAboutSupport() {
+  let tab = gBrowser.loadOneTab("about:support", {
+    referrerURI: null,
+    inBackground: false,
+    allowThirdPartyFixup: false,
+    relatedToCurrent: false,
+    skipAnimation: true,
+    disableMCB: false
+  });
+
+  yield promiseTabLoaded(tab);
+  let identityBox = document.getElementById("identity-box");
+  is(identityBox.className, gIdentityHandler.IDENTITY_MODE_CHROMEUI,
+     "Should know that we're chrome.");
+  gBrowser.removeTab(tab);
+});
+

browser/base/content/test/general/head.js

@@ -226,6 +226,12 @@ function whenTabLoaded(aTab, aCallback) {
   }, true);
 }
 
+function promiseTabLoaded(aTab) {
+  let deferred = Promise.defer();
+  whenTabLoaded(aTab, deferred.resolve);
+  return deferred.promise;
+}
+
 function addVisits(aPlaceInfo, aCallback) {
   let places = [];
   if (aPlaceInfo instanceof Ci.nsIURI) {