tree 90a55e0cee937ae857e12ac90ac587029c189fee
parent ff96a841975e53376769e45cfa14dfadde91d34a
author Gary Morain <gmorain@chromium.org> 1343772511 -0700
committer Gerrit <chrome-bot@google.com> 1345077917 -0700

shill: Clean up of DeviceInfo::GetMACAddressFromKernel

- Simplified GetMACAddressFromKernel by removing unnecessary code.
- Use the Sockets class.
- Add unit tests for GetMACAddressFromKernel.
- Add comments and a unit test for a "gotcha" case in ByteString.
- Add HANDLE_EINTR to Sockets.

BUG=None
TEST=All unit tests pass.  Mobile, WiFi, and Ethernet work on alex.

Change-Id: I3f55daf916edb62332b4c6a2aee224d53eefd2df
Reviewed-on: https://gerrit.chromium.org/gerrit/28865
Commit-Ready: Gary Morain <gmorain@chromium.org>
Reviewed-by: Gary Morain <gmorain@chromium.org>
Tested-by: Gary Morain <gmorain@chromium.org>