Reviewed by Anders

    Reviewed by Anders

        -Renamed an internal only method for clarity
        -Tweaked WebDataSource for notification purposes with the new expiring icons
        -Fixed a bug with the ICONDEBUG flag

        * Misc/WebIconDatabase.m:
        (-[WebIconDatabase init]):
        (-[WebIconDatabase iconForURL:withSize:cache:]): #ifdef bug fixed
        (-[WebIconDatabase _hasEntryForIconURL:]): Renamed for clarity
        * Misc/WebIconDatabasePrivate.h:
        * WebView/WebDataSource.m:
        (-[WebDataSource _updateIconDatabaseWithURL:]):
        (-[WebDataSource _notifyIconChanged:]):
        (-[WebDataSource _loadIcon]):
        (-[WebDataSource _iconLoaderReceivedPageIcon:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@15950 268f45cc-cd09-0410-ab3c-d52691b4dbfc