Backed out changeset f785bf2e2c51 (bug 941726) for test failures in B2g Desktop Linux & B2G ICS Emulator Opt
Backed out changeset bc9014b4439a (bug 929067) for test failures in B2g Desktop Linux & B2G ICS Emulator Opt
Backed out changeset 1e8f83c69e80 (bug 941317) for test failures in B2g Desktop Linux & B2G ICS Emulator Opt
Backed out changeset 295b75fac0c8 (bug 940408) for test failures in B2g Desktop Linux & B2G ICS Emulator Opt