Revert of [heap] Initialize the owner on each page after lospace allocation

test/mjsunit/regress/regress-672041.js

-// Copyright 2016 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.
-
-// Trigger an infinite loop through RegExp.prototype[@@match], which results
-// in unbounded growth of the results array.
-
-// Limit the number of iterations to avoid OOM while still triggering large
-// object space allocation.
-const min_ptr_size = 4;
-const max_regular_heap_object_size = 507136;
-const num_iterations = max_regular_heap_object_size / min_ptr_size;
-
-const RegExpPrototypeExec = RegExp.prototype.exec;
-
-let i = 0;
-
-RegExp.prototype.__defineGetter__("global", () => true);
-RegExp.prototype.exec = function(str) {
-  return (i++ < num_iterations) ? RegExpPrototypeExec.call(this, str) : null;
-};
-
-"a".match();