Allow values with dot delimiters as split mac dictionary keys.

Using e.g. URLs as hash split keys is not possible ATM. Change this by
deliberately not expanding the dictionary tree on settings split hashes.

Change-Id: Ifbc09aedd546f2f7e774807e091caa2069e1d0a6
Reviewed-on: https://chromium-review.googlesource.com/1144880
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578378}
2 files changed