code: function doesNotNeedSandbox( iframe ) {
  	const trustedHosts = [
  		'spotify.com',
  		'kickstarter.com',
  		'soundcloud.com',
  		'embed.ted.com',
  		'player.twitch.tv',
  	];
  
  	const hostName = iframe.src && url.parse( iframe.src ).hostname;
  	const iframeHost = hostName && hostName.toLowerCase();
  
  	return some( trustedHosts, trustedHost => endsWith( '.' + iframeHost, '.' + trustedHost ) );
  }
docs: Internal Dependencies
   Given an iframe, is it okay to have it run without a sandbox?
  @param {object} iframe - the iframe to check
  @returns {boolean} true/false if we trust the source and we know they don't work in a sandbox