kthelgason c1b661eee0 Remove duplicate implementations of string conversion methods.
BUG=webrtc:4773

Review-Url: https://codereview.webrtc.org/2583853002
Cr-Commit-Position: refs/heads/master@{#15957}
2017-01-09 09:40:03 +00:00
..
2016-07-28 21:53:01 +00:00