[webnfc]: Step 1: Add NavigatorNfc, Nfc and Layout tests.

Add IDL for Navigator.Nfc and Nfc. Add the supporting .h|cpp files.
Add simple Layout tests.
Add nfc in webexposed layout test.

Intent to Implement:
https://mail.google.com/mail/u/1/#label/blink-dev/14f261c80935592e

BUG=520391

Review URL: https://codereview.chromium.org/1291663004

git-svn-id: svn://svn.chromium.org/blink/trunk@200966 bbb929c8-8fbe-4397-9dbb-9b2b20218538
12 files changed
tree: 6ac617e3b3902f286b752f8866ccb9ed734e9ddc
  1. third_party/