Backed out 7 changesets (bug 906088) for robocop failures on a CLOSED TREE.

Backed out changeset c5b4781bd918 (bug 906088)
Backed out changeset a498d1641c16 (bug 906088)
Backed out changeset fcff9ef5cf7d (bug 906088)
Backed out changeset cf1603d47f6c (bug 906088)
Backed out changeset 8671264a5aaa (bug 906088)
Backed out changeset 01d6b977021f (bug 906088)
Backed out changeset 2910cc092c19 (bug 906088)