Bug 1437852 - Enable browser_console_restore.js in new frontend r=bgrins

MozReview-Commit-ID: Fk7yT1gXKI9

--HG--
extra : rebase_source : ea793d4085e67b969d8b6ec132332bd86091b30b

devtools/client/webconsole/new-console-output/test/mochitest/browser.ini

@@ -185,7 +185,6 @@ skip-if = true # Bug 1437850
 [browser_console_open_or_focus.js]
 skip-if = true # Bug 1437851
 [browser_console_restore.js]
-skip-if = true # Bug 1437852
 [browser_console_webconsole_ctrlw_close_tab.js]
 skip-if = true # Bug 1437854
 [browser_console_webconsole_iframe_messages.js]

devtools/client/webconsole/new-console-output/test/mochitest/browser_console_restore.js

@@ -3,12 +3,14 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
+/* import-globals-from head.js */
+
 // Check that the browser console gets session state is set correctly, and that
 // it re-opens when restore is requested.
 
 "use strict";
 
-add_task(async function() {
+add_task(async function () {
   is(HUDService.getBrowserConsoleSessionState(), false, "Session state false by default");
   HUDService.storeBrowserConsoleSessionState();
   is(HUDService.getBrowserConsoleSessionState(), false,
@@ -19,7 +21,7 @@ add_task(async function() {
   is(HUDService.getBrowserConsoleSessionState(), true,
     "Session state true (since Browser Console is opened)");
 
-  info("Closing the browser console and waiting for the session restore to reopen it")
+  info("Closing the browser console and waiting for the session restore to reopen it");
   await HUDService.toggleBrowserConsole();
 
   let opened = waitForBrowserConsole();
@@ -27,6 +29,6 @@ add_task(async function() {
     browserConsole: true
   });
 
-  info("Waiting for the console to open after session restore")
+  info("Waiting for the console to open after session restore");
   await opened;
 });

devtools/client/webconsole/new-console-output/test/mochitest/head.js

@@ -591,3 +591,18 @@ function selectNode(hud, node) {
 
   return selection;
 }
+
+async function waitForBrowserConsole() {
+  return new Promise(resolve => {
+    Services.obs.addObserver(function observer(subject) {
+      Services.obs.removeObserver(observer, "web-console-created");
+      subject.QueryInterface(Ci.nsISupportsString);
+
+      let hud = HUDService.getBrowserConsole();
+      ok(hud, "browser console is open");
+      is(subject.data, hud.hudId, "notification hudId is correct");
+
+      executeSoon(() => resolve(hud));
+    }, "web-console-created");
+  });
+}