Remove Function.prototype.toMethod

src/harmony-classes.js

-// Copyright 2014 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.
-//
-// This file relies on the fact that the following declarations have been made
-// in runtime.js:
-// var $Function = global.Function;
-// var $Array = global.Array;
-
-"use strict";
-
-function FunctionToMethod(homeObject) {
-  if (!IS_SPEC_FUNCTION(this)) {
-    throw MakeTypeError('toMethod_non_function',
-                        [%ToString(this), typeof this]);
-
-  }
-
-  if (!IS_SPEC_OBJECT(homeObject)) {
-    throw MakeTypeError('toMethod_non_object',
-                        [%ToString(homeObject)]);
-  }
-
-  return %ToMethod(this, homeObject);
-}
-
-function SetupHarmonyClasses() {
-  %CheckIsBootstrapping();
-
-  InstallFunctions($Function.prototype, DONT_ENUM, $Array(
-      "toMethod", FunctionToMethod
-  ));
-}
-
-SetupHarmonyClasses();