GitLab

DevTools: Make sure ElementsTreeOutline is correctly rendered when element's hasChildren state changes.

R=pfeldman,apavlov

Review URL: https://codereview.chromium.org/467233002

git-svn-id: svn://svn.chromium.org/blink/trunk@180190 bbb929c8-8fbe-4397-9dbb-9b2b20218538