third_party/WebKit/LayoutTests/external/wpt/html/webappapis/system-state-and-capabilities/the-navigator-object/historical.window.js

[
  "registerContentHandler",
  "isProtocolHandlerRegistered",
  "isContentHandlerRegistered",
  "unregisterContentHandler"
].forEach(method => {
  test(() => {
    assert_false(method in self.navigator);
  }, method + "() is removed");
});