I'm not an expert in these matters but it seems to me that the problem in bug #1259059 could have been better addressed by fixing ubuntu-themes (instead of the patch above) so that they use yellow (info) for GtkInfoBar and not blue (question).
I'm not an expert in these matters but it seems to me that the problem in bug #1259059 could have been better addressed by fixing ubuntu-themes (instead of the patch above) so that they use yellow (info) for GtkInfoBar and not blue (question).