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

chrome/test/data/webui/settings/search_engines_page_test.js

Index: chrome/test/data/webui/settings/search_engines_page_test.js
diff --git a/chrome/test/data/webui/settings/search_engines_page_test.js b/chrome/test/data/webui/settings/search_engines_page_test.js
index e4b4b9478e76e905910b2080a8228bde4c16d2b0..c38847d2b2b139ff50657998a59a03a4eb78d3e0 100644
--- a/chrome/test/data/webui/settings/search_engines_page_test.js
+++ b/chrome/test/data/webui/settings/search_engines_page_test.js
@@ -12,7 +12,7 @@ cr.define('settings_search_engines_page', function() {
    * @implements {settings.SearchEnginesBrowserProxy}
    */
   var TestSearchEnginesBrowserProxy = function() {
-    /** @private {!Map<string, !PromiseResolver>} */
+    /** @private {!Map<string, !cr.PromiseResolver>} */
     this.resolverMap_ = new Map();
     var wrapperMethods = [
       'getSearchEnginesList',
@@ -46,7 +46,7 @@ cr.define('settings_search_engines_page', function() {
      * @param {string} methodName
      */
     resetResolver: function(methodName) {
-      this.resolverMap_.set(methodName, new PromiseResolver());
+      this.resolverMap_.set(methodName, new cr.PromiseResolver());
     },
 
     /** @override */