Revert of Use shared container to manage imports/exports.

src/prologue.js

Index: src/prologue.js
diff --git a/src/prologue.js b/src/prologue.js
deleted file mode 100644
index 93f562270d5a87992744d0c0b714df6b30cc3ce3..0000000000000000000000000000000000000000
--- a/src/prologue.js
+++ /dev/null
@@ -1,57 +0,0 @@
-// 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) {
-
-"use strict";
-
-%CheckIsBootstrapping();
-
-// -----------------------------------------------------------------------
-// Utils
-
-var imports = UNDEFINED;
-var exports = UNDEFINED;
-
-
-utils.Export = function Export(f) {
-  f.next = exports;
-  exports = f;
-};
-
-
-utils.Import = function Import(f) {
-  f.next = imports;
-  imports = f;
-};
-
-// -----------------------------------------------------------------------
-// To be called by bootstrapper
-
-utils.PostNatives = function() {
-  %CheckIsBootstrapping();
-
-  var container = {};
-  for ( ; !IS_UNDEFINED(exports); exports = exports.next) exports(container);
-  for ( ; !IS_UNDEFINED(imports); imports = imports.next) imports(container);
-
-  var expose_to_experimental = [
-    "MathMax",
-    "MathMin",
-  ];
-  var experimental = {};
-  %OptimizeObjectForAddingMultipleProperties(
-      experimental, expose_to_experimental.length);
-  for (var key of expose_to_experimental) experimental[key] = container[key];
-  %ToFastProperties(experimental);
-  container = UNDEFINED;
-
-  utils.Export = UNDEFINED;
-  utils.PostNatives = UNDEFINED;
-  utils.Import = function ImportFromExperimental(f) {
-    f(experimental);
-  };
-};
-
-})