Handle parents we cannot find in the Status page
Handle parents we cannot find in the Status page

BUG=skia:5686

Review-Url: https://codereview.chromium.org/2287503002

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot