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- Use iron-dropdown instead of native <select> to support displaying
  printer status icons inside the dropdown. Using iron-dropdown is a
  temporary workaround and will need to be replaced with another
  dropdown element in the future.

Bug: 1059607
Change-Id: I7598600ebb21e7d604ba416eb0a8938bd45e584c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2177274
Commit-Queue: Gavin Williams <gavinwill@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770830}