Implement AP2 Promises

LayoutTests/fast/js/Promise-then-in-workers-expected.txt

Index: LayoutTests/fast/js/Promise-then-in-workers-expected.txt
diff --git a/LayoutTests/fast/js/Promise-then-in-workers-expected.txt b/LayoutTests/fast/js/Promise-then-in-workers-expected.txt
index d6ed571c4cdfbdaf243007ea20a22b2e3400c028..a22980c656199979a9be820384e5dda5fa3de153 100644
--- a/LayoutTests/fast/js/Promise-then-in-workers-expected.txt
+++ b/LayoutTests/fast/js/Promise-then-in-workers-expected.txt
@@ -3,14 +3,16 @@
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 Starting worker: resources/Promise-then-in-workers.js
-PASS [Worker] thisInInit === firstPromise is true
+PASS [Worker] thisInInit === firstPromise is false
+PASS [Worker] thisInInit === global is true
 PASS [Worker] firstPromise instanceof Promise is true
 PASS [Worker] secondPromise instanceof Promise is true
-PASS [Worker] firstPromise.then(null) threw exception TypeError: fulfillCallback must be a function or undefined.
-PASS [Worker] firstPromise.then(undefined, null) threw exception TypeError: rejectCallback must be a function or undefined.
-PASS [Worker] firstPromise.then(37) threw exception TypeError: fulfillCallback must be a function or undefined.
+PASS [Worker] firstPromise.then(null) threw exception TypeError: onFulfilled must be a function or undefined.
+PASS [Worker] firstPromise.then(undefined, null) threw exception TypeError: onRejected must be a function or undefined.
+PASS [Worker] firstPromise.then(37) threw exception TypeError: onFulfilled must be a function or undefined.
 PASS [Worker] thisInFulfillCallback === firstPromise is false
-PASS [Worker] thisInFulfillCallback === secondPromise is true
+PASS [Worker] thisInFulfillCallback === secondPromise is false
+PASS [Worker] thisInFulfillCallback === global is true
 PASS [Worker] result is "hello"
 PASS successfullyParsed is true