tree 390fffd87bdfbdab767bb2874b68e3c10b6bc668
parent e454b4b54d2987e8d2f0fbd3ac519641ada9bd0f
author Kevin Moore <kevmoo@google.com> 1435711596 -0700
committer Kevin Moore <kevmoo@google.com> 1435711596 -0700

remove usage of Chain.track

The min SDK is already 1.9, so we're not leaving anyone behind

Also removed an unused variable in pool_test

R=nweiz@google.com

Review URL: https://codereview.chromium.org//1215053004.