[webdriver-tests] Update webdriver methods to latest (#1222)

 - Some methods of webdriver have been changed to latest in Selenium 2.41.0
 - Change find_element_by_css() method to find_element_by_css_selector() method
 - Change get_current_url() method to current_url attribute

View on GitHub: https://github.com/w3c/web-platform-tests/pull/1222

Received on Monday, 1 September 2014 10:24:00 UTC