WebUI: Allow rejecting a promise that is returned from cr.sendWithPromise().

chrome/test/data/webui/webui_resource_async_browsertest.js

Index: chrome/test/data/webui/webui_resource_async_browsertest.js
diff --git a/chrome/test/data/webui/webui_resource_async_browsertest.js b/chrome/test/data/webui/webui_resource_async_browsertest.js
index 81baa17edbb7e36803340953f9c444174a4a7fb2..cc71829224c42393bb0c420cf5bb71500fdb8da2 100644
--- a/chrome/test/data/webui/webui_resource_async_browsertest.js
+++ b/chrome/test/data/webui/webui_resource_async_browsertest.js
@@ -35,8 +35,8 @@ WebUIResourceAsyncTest.prototype = {
   extraLibraries: [
     ROOT_PATH + 'third_party/mocha/mocha.js',
     ROOT_PATH + 'chrome/test/data/webui/mocha_adapter.js',
-    ROOT_PATH + 'chrome/test/data/webui/promise_resolver.js',
     ROOT_PATH + 'ui/webui/resources/js/cr.js',
+    ROOT_PATH + 'ui/webui/resources/js/cr/promise_resolver.js',
   ],
 };
 
@@ -154,8 +154,8 @@ TEST_F('WebUIResourceAsyncTest', 'WebUIListeners', function() {
     });
 
     test('addWebUIListener_MulitpleListeners', function() {
-      var resolver1 = new PromiseResolver();
-      var resolver2 = new PromiseResolver();
+      var resolver1 = new cr.PromiseResolver();
+      var resolver2 = new cr.PromiseResolver();
       listener1 = cr.addWebUIListener(EVENT_NAME, resolver1.resolve);
       listener2 = cr.addWebUIListener(EVENT_NAME, resolver2.resolve);
       cr.webUIListenerCallback(EVENT_NAME);