Replace elevation required bool with an enum.

BUG=690020

Review-Url: https://codereview.chromium.org/2813253002
Cr-Original-Commit-Position: refs/heads/master@{#464226}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: daf91016aa4560f3c0f72d50eee762eed996fc0e
1 file changed
tree: 3e7e4dfac7c0388e75fbc96550c857ffc8d54ded
  1. DEPS
  2. OWNERS
  3. public/