I never installed it and it's not really needed. I do remember that when I tried to installed the same packages when I tried Mint the first time, that it also marked some packages for removal which were "standard" Mint packages. I don't think the Ubuntu-restricted package is required since Mint does have all the needed/required multimedia packages installed by default.
MSI GE70-2PE*Quad core Intel Core i7-4710HQ*Kingston 16 GB RAM*Intel 4th Gen. Integr. GPU/NVidia GeForce GTX860M*Qualcomm Atheros Killer E2200/Intel Wireless 3160*Sitecom X5-N600 Router (WLR-5100) Linux tips and tricks