Backed out changeset dacd814d3bb0 (bug 1000640)
Backed out changeset 5458e23a7f0a (bug 1000640)
Backed out changeset c4681bf6680c (bug 1000640)
Backed out changeset d1b96309bb9d (bug 1000640)
Backed out changeset 11bb536cdede (bug 1000640)
Backed out changeset bfb5297101cd (bug 1000640) for compilation failures on B2G