Posted when web history items have been loaded from a URL.
The notification object is the web history that loaded the history items. This notification does not contain a userInfo dictionary.
Available in Mac OS X v10.2 with Safari 1.0 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)