WebDriverCapabilityType contains all constants defined in the WebDriver Wire Protocol.
BROWSER_NAME
VERSION
PLATFORM
JAVASCRIPT_ENABLED
TAKES_SCREENSHOT
HANDLES_ALERTS
DATABASE_ENABLED
LOCATION_CONTEXT_ENABLED
APPLICATION_CACHE_ENABLED
BROWSER_CONNECTION_ENABLED
CSS_SELECTORS_ENABLED
WEB_STORAGE_ENABLED
ROTATABLE
ACCEPT_SSL_CERTS
NATIVE_EVENTS
PROXY