Backed out changesets 083b9fb75e9a, 4cbc8cf0b619, and ef379607cff7 (bug 957086) for Win7/Win8 debug mochitest crashes.

--HG--
rename : dom/datastore/DataStoreImpl.js => dom/datastore/DataStoreImpl.jsm
Backed out changeset 0d61bcf08362 (bug 1013531) for bustage.
CLOSED TREE