http/tests/inspector/resource-tree/resource-tree-reload.html fails.

BUG=307608
TBR=vsevik

Review URL: https://codereview.chromium.org/104703002

git-svn-id: svn://svn.chromium.org/blink/trunk@163537 bbb929c8-8fbe-4397-9dbb-9b2b20218538