[strong] Remove all remainders of strong mode

test/mjsunit/strong/object-freeze-property.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.
-
-// Flags: --strong-mode --allow-natives-syntax
-
-// TODO(conradw): Track implementation of strong bit for other objects, add
-// tests.
-
-function getSloppyObjects() {
-  return [(function(){}), ({})];
-}
-
-function getStrictObjects() {
-  "use strict";
-  return [(function(){}), ({})];
-}
-
-function getStrongObjects() {
-  "use strong";
-  // Strong functions can't have properties added to them.
-  return [{}];
-}
-
-(function testStrongObjectFreezePropValid() {
-  "use strict";
-  let strongObjects = getStrongObjects();
-
-  for (let o of strongObjects) {
-    Object.defineProperty(o, "foo", { configurable: true, writable: true });
-    assertDoesNotThrow(
-      function() {
-        "use strong";
-        Object.defineProperty(o, "foo", {configurable: true, writable: false });
-      });
-  }
-})();
-
-(function testStrongObjectFreezePropInvalid() {
-  "use strict";
-  let sloppyObjects = getSloppyObjects();
-  let strictObjects = getStrictObjects();
-  let strongObjects = getStrongObjects();
-  let weakObjects = sloppyObjects.concat(strictObjects);
-
-  for (let o of weakObjects) {
-    Object.defineProperty(o, "foo", { writable: true });
-    assertDoesNotThrow(
-      function() {
-        "use strong";
-        Object.defineProperty(o, "foo", { writable: false });
-      });
-  }
-  for (let o of strongObjects) {
-    function defProp(o) {
-      Object.defineProperty(o, "foo", { writable: false });
-    }
-    function defProps(o) {
-      Object.defineProperties(o, { "foo": { writable: false } });
-    }
-    function freezeProp(o) {
-      Object.freeze(o);
-    }
-    Object.defineProperty(o, "foo", { writable: true });
-    for (let func of [defProp, defProps, freezeProp]) {
-      assertThrows(function(){func(o)}, TypeError);
-      assertThrows(function(){func(o)}, TypeError);
-      assertThrows(function(){func(o)}, TypeError);
-      %OptimizeFunctionOnNextCall(func);
-      assertThrows(function(){func(o)}, TypeError);
-      %DeoptimizeFunction(func);
-      assertThrows(function(){func(o)}, TypeError);
-    }
-  }
-})();