Move async/await JS support code out of experimental natives

src/js/prologue.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 164 matching lines @@
 function PostNatives(utils) {
   %CheckIsBootstrapping();
 
   for ( ; !IS_UNDEFINED(imports); imports = imports.next) {
     imports(exports_container);
   }
 
   // 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",
     "ToLocaleLowerCaseI18N",
     "ToLocaleUpperCaseI18N",
     "ToLowerCaseI18N",
     "ToPositiveInteger",
     "ToUpperCaseI18N",
     // 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",
     "to_string_tag_symbol",
     "object_to_string",
     "species_symbol",
     "match_symbol",
     "replace_symbol",
     "search_symbol",
     "split_symbol",
@@ skipping 116 matching lines @@
 
 extrasUtils.uncurryThis = function uncurryThis(func) {
   return function(thisArg, ...args) {
     return %reflect_apply(func, thisArg, args);
   };
 };
 
 %ToFastProperties(extrasUtils);
 
 })