will alternate between suggested fonts with bogus answers.  The work
        around involves adding an explicit flag indicating whether or not
        font substitution should be attempted.

        * Misc.subproj/IFStringTruncator.m:
        (+[IFStringTruncator centerTruncateString:toWidth:withFont:]):
        * WebCoreSupport.subproj/IFTextRenderer.h:
        * WebCoreSupport.subproj/IFTextRenderer.m:
        (-[IFTextRenderer slowDrawCharacters:length:atPoint:withColor:attemptFontSubstitution:]):
        (-[IFTextRenderer drawCharacters:length:atPoint:withColor:]):
        (-[IFTextRenderer floatWidthForCharacters:length:applyRounding:attemptFontSubstitution:]):
        (-[IFTextRenderer widthForCharacters:length:]):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@1439 268f45cc-cd09-0410-ab3c-d52691b4dbfc