Implement AP2 Promises

LayoutTests/fast/js/Promise-resolve-with-itself.html

Index: LayoutTests/fast/js/Promise-resolve-with-itself.html
diff --git a/LayoutTests/fast/js/Promise-already-rejected.html b/LayoutTests/fast/js/Promise-resolve-with-itself.html
similarity index 50%
copy from LayoutTests/fast/js/Promise-already-rejected.html
copy to LayoutTests/fast/js/Promise-resolve-with-itself.html
index 52697b5d6b8056f3f99595684f75e3eb5abd46b3..630021ccaba2b90526b87a318f2bb3c760b2cebb 100644
--- a/LayoutTests/fast/js/Promise-already-rejected.html
+++ b/LayoutTests/fast/js/Promise-resolve-with-itself.html
@@ -11,18 +11,18 @@ description('Test Promise.');
 
 window.jsTestIsAsync = true;
 
-new Promise(function(resolve, reject) {
-  reject('foo');
-  resolve('resolve');
-  reject('reject');
-}).then(function() {
+var resolve;
+var promise = new Promise(function(r) { resolve = r; });
+
+promise.then(function () {
   testFailed('fulfilled');
-  finishJSTest();
-}, function(result) {
-  window.result = result;
-  shouldBeEqualToString('result', 'foo');
-  finishJSTest();
-});
+}, function (error) {
+  testPassed('rejected');
+  window.result = error.toString();
+  shouldBeEqualToString('result', 'TypeError: Resolve a promise with itself');
+}).then(finishJSTest, finishJSTest);
+
+resolve(promise);
 
 </script>
 <script src="resources/js-test-post.js"></script>