Plus minor clean up / adding comments. BUG=b/26695339 R=jiayl@webrtc.org Review URL: https://codereview.webrtc.org/1644253003 . Cr-Commit-Position: refs/heads/master@{#11431}
Plus minor clean up / adding comments. BUG=b/26695339 R=jiayl@webrtc.org Review URL: https://codereview.webrtc.org/1644253003 . Cr-Commit-Position: refs/heads/master@{#11431}