Bumping manifests a=b2g-bump
Bug 986843 - Replace AutoHoldZone with AutoCompartmentRooter. r=terrence, a=1.3+
Bug 989183 - Check for nsXBLJSClass. r=bz, a=1.3+
Bug 947531 - Focus the test window before starting the test. a=test-only
Bug 989210 - Consistently make cycle collector to deal with TextTrackManager's member variables. r=reyre, a=1.3+
Backed out changeset 998d84030f70 (bug 986843) for jit-test asserts.
Merge b2g28 to v1.3t. a=merge