void GpuProcessHostUIShim::DestroyAll() {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  while (!g_hosts_by_id.Pointer()->IsEmpty()) {
    IDMap<GpuProcessHostUIShim>::iterator it(g_hosts_by_id.Pointer());
    delete it.GetCurrentValue();
  }
}

Unknown