Backed out changeset 6577dad62b79 (bug 885107) for mochitest-2 orange.
Bug 901339 - Fix the focal point when zooming in and out. r=BenWa
Bug 902157 - ASan: Add memory configuration for 4 GB test slaves. r=jmaher
 Bug 898915 - Fix Axis() is not valid abort. r=dholbert