tree 1a3b6ddcf309f78c5dce6165fb0fbccdc69ec873
parent 0b6642e0c17fc7ef27536bcd9a754f9c10ec3879
author Ben Chan <benchan@chromium.org> 1535158399 -0700
committer chrome-bot <chrome-bot@chromium.org> 1535566490 -0700

shill: cellular: simplify out-of-credits detection

shill now only uses the subscription state as an indicator for the
out-of-credits scenario. This CL simplifies the out-of-credits detection
by removing OutOfCreditsDetector and its subclasses.

BUG=b:112664666
TEST=Run unit tests.

Change-Id: Ia5ddf72bf2a11596c6fc9b76c9bf8e66c0a113e1
Reviewed-on: https://chromium-review.googlesource.com/1189429
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>