Implement AP2 Promises

LayoutTests/fast/js/Promise-then.html

Index: LayoutTests/fast/js/Promise-then.html
diff --git a/LayoutTests/fast/js/Promise-then.html b/LayoutTests/fast/js/Promise-then.html
index 46a828a57490f40888116b21bda1c6d49caaa404..62d1923792f010b24bfe5590455e700b0ad2a277 100644
--- a/LayoutTests/fast/js/Promise-then.html
+++ b/LayoutTests/fast/js/Promise-then.html
@@ -21,19 +21,21 @@ var firstPromise = new Promise(function(newResolve) {
 var secondPromise = firstPromise.then(function(result) {
   window.thisInFulfillCallback = this;
   shouldBeFalse('thisInFulfillCallback === firstPromise');
-  shouldBeTrue('thisInFulfillCallback === secondPromise');
+  shouldBeFalse('thisInFulfillCallback === secondPromise');
+  shouldBeTrue('thisInFulfillCallback === window');
   window.result = result;
   shouldBeEqualToString('result', 'hello');
   finishJSTest();
 });
 
-shouldBeTrue('thisInInit === firstPromise');
+shouldBeFalse('thisInInit === firstPromise');
+shouldBeTrue('thisInInit === window');
 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');