tree f9795ececcc4b610d9747526fe57b7ac0fe9ed77
parent 0d06119be3224788ba1aa65ed24bc8e46b56b949
author Peter Qiu <zqiu@chromium.org> 1405042162 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1405538491 +0000

shill: Report failure reasons for user-initiated conenction attempts

When user-initiated connection attmpts failed, report the failure
reasons to UMA stats.

BUG=chromium:392965
TEST=unit tests, manual test
Manual Test
1. Manually connect a chrome device to an unknown hidden SSID.
2. Browse to "chrome://histograms", and make sure there is a histogram
   for "Network.Shill.WiFi.UserInitiatedConnectionFailureReason" with
   a hit for bucket 9 (Out-of-range).

Change-Id: Id051fc2c2bebf7cde4363e2e1716a4a7cc4fe948
Reviewed-on: https://chromium-review.googlesource.com/207617
Reviewed-by: Peter Qiu <zqiu@chromium.org>
Tested-by: Peter Qiu <zqiu@chromium.org>
Commit-Queue: Peter Qiu <zqiu@chromium.org>