tree 3adb0232bcbf93857bff12e3babe36729cf27f08
parent 2dd9be87cef33d6537cf9cf0bb662907ba826ae0
author hush <hush@chromium.org> 1410376238 -0700
committer Hui Shu <hush@google.com> 1410840698 +0000

Cherry pick: Cleanup comments, unit tests and unnecessary early out.

Clean cherry-pick of chromium:

https://crrev.com/947fb1c405943173d09e721efcde628dee896e36

BUG: 17369933
Original description:
Cleanup comments, unit tests and unnecessary early out.

Review URL: https://codereview.chromium.org/545663002
Change-Id: Ia3050dfe65b406b2677f9e10de43ac6665cf953d
Cr-Commit-Position: refs/heads/master@{#294206}