Promise init callback takes resolve and reject functions

LayoutTests/fast/js/resources/Promise-then-in-workers.js

 importScripts('./js-test-pre.js');
 
 description('Test Promise.');
 
 var global = this;
 
 global.jsTestIsAsync = true;
 
-var resolver;
+var resolve;
 
-var firstPromise = new Promise(function(newResolver) {
+var firstPromise = new Promise(function(newResolve) {
   global.thisInInit = this;
-  resolver = newResolver;
+  resolve = newResolve;
 });
 
 var secondPromise = firstPromise.then(function(result) {
   global.thisInFulfillCallback = this;
   shouldBeFalse('thisInFulfillCallback === firstPromise');
   shouldBeTrue('thisInFulfillCallback === secondPromise');
   global.result = result;
   shouldBeEqualToString('result', 'hello');
   finishJSTest();
 });
 
 shouldBeTrue('thisInInit === firstPromise');
 shouldBeTrue('firstPromise instanceof Promise');
 shouldBeTrue('secondPromise instanceof Promise');
 
 shouldThrow('firstPromise.then(null)', '"TypeError: fulfillCallback must be a function or undefined"');
 shouldThrow('firstPromise.then(undefined, null)', '"TypeError: rejectCallback must be a function or undefined"');
 shouldThrow('firstPromise.then(37)', '"TypeError: fulfillCallback must be a function or undefined"');
 
-resolver.fulfill('hello');
+resolve('hello');