Implement AP2 Promises

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

Index: LayoutTests/fast/js/resources/Promise-then-in-workers.js
diff --git a/LayoutTests/fast/js/resources/Promise-then-in-workers.js b/LayoutTests/fast/js/resources/Promise-then-in-workers.js
index eee8f9c14aab9f5a4d4c7828f50594b16d630729..051f035dc69e7abda6509a0164aa7f83f7184784 100644
--- a/LayoutTests/fast/js/resources/Promise-then-in-workers.js
+++ b/LayoutTests/fast/js/resources/Promise-then-in-workers.js
@@ -16,19 +16,21 @@ var firstPromise = new Promise(function(newResolve) {
 var secondPromise = firstPromise.then(function(result) {
   global.thisInFulfillCallback = this;
   shouldBeFalse('thisInFulfillCallback === firstPromise');
-  shouldBeTrue('thisInFulfillCallback === secondPromise');
+  shouldBeFalse('thisInFulfillCallback === secondPromise');
+  shouldBeTrue('thisInFulfillCallback === global');
   global.result = result;
   shouldBeEqualToString('result', 'hello');
   finishJSTest();
 });
 
-shouldBeTrue('thisInInit === firstPromise');
+shouldBeFalse('thisInInit === firstPromise');
+shouldBeTrue('thisInInit === global');
 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"');
+shouldThrow('firstPromise.then(null)', '"TypeError: onFulfilled must be a function or undefined"');
+shouldThrow('firstPromise.then(undefined, null)', '"TypeError: onRejected must be a function or undefined"');
+shouldThrow('firstPromise.then(37)', '"TypeError: onFulfilled must be a function or undefined"');
 
 resolve('hello');