tree 582dcb83b323f27f6e1132e3b427e8addafeabb9
parent b528ff4a6b8cfcf53a67dde3b5722c863a0f2350
author Kevin Moore <kevmoo@google.com> 1462246512 -0700
committer Kevin Moore <kevmoo@google.com> 1462246512 -0700

use List.unmodifiable when possible

R=nweiz@google.com

Review URL: https://codereview.chromium.org//1940453003 .