message: Allow react performance profiling on widget iframes.
diff: @@ -36,6 +36,7 @@ import WidgetUtils from '../../../WidgetUtils';
  import dis from '../../../dispatcher';
  const ALLOWED_APP_URL_SCHEMES = ['https:', 'http:'];
  +const ENABLE_REACT_PERF = false;
  export default class AppTile extends React.Component {
  constructor(props) {
  @@ -452,7 +453,11 @@ export default class AppTile extends React.Component {
  }
  _getSafeUrl() {
  - const parsedWidgetUrl = url.parse(this.state.widgetUrl);
  + const parsedWidgetUrl = url.parse(this.state.widgetUrl, true);
  + if (ENABLE_REACT_PERF) {
  + parsedWidgetUrl.search = null;
  + parsedWidgetUrl.query.react_perf = true;
  + }
  let safeWidgetUrl = '';
  if (ALLOWED_APP_URL_SCHEMES.indexOf(parsedWidgetUrl.protocol) !== -1) {
  safeWidgetUrl = url.format(parsedWidgetUrl);
  