GitLab

- Methods are a mirror of NearbySharingChimeraService in Android
- Added a few data types and callback to define NearbySharingService
  methods
- Only data related methods are introduced for now. Implementations are
  empty

Bug: 1084283
Change-Id: I18e691b76bc4872bb4a4f4771af1b368b07af6e9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2207374
Commit-Queue: Alex Chau <alexchau@chromium.org>
Reviewed-by: Richard Knoll <knollr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770997}