code: public static List<SupportedBrowser> toSupportedBrowsers(String[] browserNames) {
  		List<SupportedBrowser> browsers = new ArrayList<>();
  		for (String browserName : browserNames) {
  			SupportedBrowser browser = SupportedBrowser.valueOf(browserName.toUpperCase());
  			if(!browsers.contains(browser))
  				browsers.add(browser);
  		}
  		return browsers;
  	}
docs: Convert an array of names of browsers, to a List of {@link SupportedBrowser}s.