GitLab

This CL solves a problem with the side nav menu drawer staying open when
using the back/forward buttons. The drawer now closes when navigating
forward or back.

BUG=623903
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2170223002
Cr-Commit-Position: refs/heads/master@{#407290}