Move async/await JS support code out of experimental natives

src/js/prologue.js

Index: src/js/prologue.js
diff --git a/src/js/prologue.js b/src/js/prologue.js
index 413bb67a07a8e3d86f8db4865ee885e329d27d2d..8a07a4cb0767ab84e5e1a45a6f6fb10031cf705e 100644
--- a/src/js/prologue.js
+++ b/src/js/prologue.js
@@ -182,31 +182,14 @@ function PostNatives(utils) {
   // Whitelist of exports from normal natives to experimental natives and debug.
   var expose_list = [
     "ArrayToString",
-    "AsyncFunctionNext",
-    "AsyncFunctionThrow",
     "FormatDateToParts",
     "GetIterator",
     "GetMethod",
-    "GlobalPromise",
-    "IsPromise",
     "MapEntries",
     "MapIterator",
     "MapIteratorNext",
     "MaxSimple",
     "MinSimple",
-    "NewPromiseCapability",
-    "PerformPromiseThen",
-    "PromiseThen",
-    "PromiseCreate",
-    "PromiseNextMicrotaskID",
-    "RegExpSubclassExecJS",
-    "RegExpSubclassMatch",
-    "RegExpSubclassReplace",
-    "RegExpSubclassSearch",
-    "RegExpSubclassSplit",
-    "RegExpSubclassTest",

[gsathya, 2016/09/24 15:04:49]

These RegExp changes seem unrelated to this patch right?

[Dan Ehrenberg, 2016/09/24 15:07:02]

Yes, a drive by cleanup. I noted it in the commit message.

-    "RejectPromise",
-    "ResolvePromise",
     "SetIterator",
     "SetIteratorNext",
     "SetValues",
@@ -218,16 +201,11 @@ function PostNatives(utils) {
     // From runtime:
     "is_concat_spreadable_symbol",
     "iterator_symbol",
-    "promise_async_stack_id_symbol",
-    "promise_result_symbol",
-    "promise_state_symbol",
-    "promise_forwarding_handler_symbol",
-    "promise_handled_by_symbol",
-    "promise_handled_hint_symbol",
-    "promise_has_handler_symbol",
     "object_freeze",
     "object_is_frozen",
     "object_is_sealed",
+    "promise_result_symbol",
+    "promise_state_symbol",
     "reflect_apply",
     "reflect_construct",
     "regexp_flags_symbol",