GitLab

This CL triages the currently failing layout tests. Marking this as
NOTRY since this is only affecting the FYI bot
LinuxBrowserSideNavigation.

BUG=576261
NOTRY=TRUE
TBR=nasko@chromium.org

Review-Url: https://codereview.chromium.org/2572783003
Cr-Commit-Position: refs/heads/master@{#438184}