Motivation for this change

Chromium is out of date in 17.03 release branch. Reverts reversion of updates and fixes beta build error.

I tested the beta (60) version which had the build error and it builds and seems to run fine. I didn't test the stable (59) version, presumably the submitter of the original update already tested that.

By the way, I don't think a build error in beta or stable warrants reverting updates as long as the stable version works. I would even question the need to maintain beta and dev builds considering the long build time; that triplicates the already huge time it takes to test before submitting a pull request.

/cc @globin

Things done

Please check what applies. Note that these are not hard requirements but merely serve as information for reviewers.

• Tested using sandboxing
  (nix.useSandbox on NixOS,
  or option build-use-sandbox in nix.conf
  on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • Linux
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.