Controls the ChromeDriver and allows you to drive the browser.
You will need to download the ChromeDriver executable from http://code.google.com/p/chromedriver/downloads/list
Creates a new instance of the chrome driver.
Starts the service and then creates new instance of chrome driver.
Closes the browser and shuts down the ChromeDriver executable that is started when starting the ChromeDriver
Gets the screenshot of the current window. Returns False if there is any IOError, else returns True. Use full paths in your filename.