third_party/blink/renderer/devtools/front_end/heap_snapshot_worker.js

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Release build has Runtime.js bundled.
if (!self.Runtime)
  self.importScripts('Runtime.js');
Runtime.startWorker('heap_snapshot_worker');