Bug 1447941 - Replace promiseWaitForCondition with TestUtils.waitForCondition in browser_aboutHome_search_searchbar.js r=johannh

browser/base/content/test/about/browser_aboutHome_search_searchbar.js

@@ -17,7 +17,7 @@ add_task(async function() {
     isnot(searchInput, doc.activeElement, "Search bar should not be the active element.");
 
     EventUtils.synthesizeKey("k", { accelKey: true });
-    await promiseWaitForCondition(() => doc.activeElement === searchInput);
+    await TestUtils.waitForCondition(() => doc.activeElement === searchInput);
     is(searchInput, doc.activeElement, "Search bar should be the active element.");
   });
 

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

@@ -23,12 +23,6 @@ function waitForCondition(condition, nextTest, errorMsg, retryTimes) {
   var moveOn = function() { clearInterval(interval); nextTest(); };
 }
 
-function promiseWaitForCondition(aConditionFn) {
-  return new Promise(resolve => {
-    waitForCondition(aConditionFn, resolve, "Condition didn't pass.");
-  });
-}
-
 function whenTabLoaded(aTab, aCallback) {
   promiseTabLoadEvent(aTab).then(aCallback);
 }