Improve network interface name on Win for WebRTC logs.
- Add |friendly_name| member to NetworkInterface struct. This will be the same as |name| on non-Windows. On Windows it will be FriendlyName in IP_ADAPTER_ADDRESSES.
- Use |friendly_name| in WebRTC logs.
- Add simple test in unit test for |friendly_name| not empty.
TBR=justinlin@chromium.org (trivial update in dial_service_unittest.cc)
BUG=347541
Review URL: https://codereview.chromium.org/
185533006
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255031 0039d316-1c4b-4281-b951-d872f2087c98