tree 3dce783d100ba1676abf3eaac58e4a84d8bcfeb2
parent bab77e75e3637eb9a9c8d615733892e8506482da
author Stephen Li <stephenli@google.com> 1520371785 -0800
committer Stephen Li <stephenli@google.com> 1520371991 +0000

Remove unused import and infer type parameters.

Change-Id: Id547a642f019e559259264eb4f34ff722e6db132