unction() {
  const USED_MEMORY_TRACK_HEIGHT = 50;
  const ALLOCATED_MEMORY_TRACK_HEIGHT = 50;

  /**
   * A track that displays an array of GlobalMemoryDump objects.
   * @constructor
   * @extends {ContainerTrack}
   */
  const GlobalMemoryDumpTrack = tr.ui.b.define(
      'global-memory-dump-track', tr.ui.tracks.ContainerTrack);

  GlobalMemoryDumpTrack.prototype = {
    __proto__: tr.ui.tracks.ContainerTrack.prototype,

    decorate(viewport) {
      tr.ui.tracks.ContainerTrack.prototype.decorate.call(t