Setting firefox profile preferences with RemoteWebDriver

CustomFirefoxProfile.java

import org.openqa.selenium.*;
import org.openqa.selenium.remote.*;
import org.openqa.selenium.firefox.*;

public class CustomFirefoxProfile {
    public static void main(String[] args) throws Exception {
        DesiredCapabilities capabillities = new DesiredCapabilities("firefox", "3.6.", Platform.WINDOWS);
        capabillities.setCapability("job-name", "Fancy Firefox profile");
        FirefoxProfile profile = new FirefoxProfile();
        profile.setPreference("network.http.phishy-userpass-length", 255);
        capabillities.setCapability(FirefoxDriver.PROFILE, profile);
        WebDriver driver = new RemoteWebDriver(new java.net.URL("http://USERNAME:ACCESS_KEY@ondemand.saucelabs.com:80/wd/hub"), capabillities);
        driver.quit();
    }
}