Browser.chrome.load toolbar icons
From MozillaZine Knowledge Base
Site icons/favicons were briefly (partially) disabled in Mozilla Suite due to caching issues. When the functionality was restored in 1.6 Alpha, this preference was created to allow finer-grained control over caching behavior.
Possible values and their effects
Never load site icons for the Bookmarks menu or the Personal Bookmarks Toolbar. (Default)
Load site icons for the Bookmarks Menu and Personal Bookmarks Toolbar if the icons are already cached locally.
Always load site icons.
First checked in
2003-10-21 by Josh Soref (patch by Aleksey Nogin)
Has an effect in