Reviewed by John.
<rdar://problem/
3879226> WebKit needlessly uses extra memory to store icon refcounts as NSNumbers
* Misc.subproj/WebIconDatabase.m:
(-[WebIconDatabase init]):
(-[WebIconDatabase _setIconURL:forURL:]):
(-[WebIconDatabase _retainIconForIconURLString:]):
(-[WebIconDatabase _releaseIconForIconURLString:]):
(-[WebIconDatabase _retainFutureIconForURL:]):
(-[WebIconDatabase _releaseFutureIconForURL:]):
* Misc.subproj/WebIconDatabasePrivate.h:
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8005
268f45cc-cd09-0410-ab3c-
d52691b4dbfc