prefs: [
  "dom_fontface_enabled:true",
  "dom_imagebitmap_enabled:true",
  "dom_intersection_observer_enabled:true",
  "dom_notification_enabled:true",
  "dom_offscreen_canvas_enabled:true",
  "dom_resize_observer_enabled:true",
  "dom_serviceworker_enabled:true",
  "dom_urlpattern_enabled:true",
  "dom_xpath_enabled:true",
  "layout_grid_enabled:true",
]