Bug 930327 - Add test.
Bug 937157, part 1 - Remove some ancient or unused debugging #defines. r=bholley
Bug 937157, part 2 - Remove flushing debug info plus a few other minor things. r=bholley
Bug 937157, part 3 - Remove XPC_ASSERT_CLASSINFO_CLAIMS. r=bholley
Bug 937157, part 4 - Remove XPC_CHECK_CLASSINFO_CLAIMS reference from xpcprivate.h. r=bholley
Bug 937157, part 5 - Remove XPC_REPORT_SHADOWED_WRAPPED_NATIVE_MEMBERS. r=bholley
Bug 937157, part 6 - Remove XPC_CHECK_WRAPPERS_AT_SHUTDOWN. r=bholley
Bug 937157, part 7 - Remove XPC_TRACK_PROTO_STATS. r=bholley
Bug 937157, part 8 - Remove XPC_TRACK_SCOPE_STATS. r=bholley
Bug 937157, part 9 - Remove XPC_TRACK_WRAPPER_STATS. r=bholley
Bug 937157, part 10 - Remove DEBUG_xpc_leaks. r=bholley
Bug 937157, part 11 - Remove XPC_DUMP_AT_SHUTDOWN. r=bholle
Bug 937157, part 12 - Remove DEBUG_xpc_hacker. r=bholley
Bug 937157, part 13 - Remove DEBUG_shaver. r=bholley
Bug 936698 - Update the list of headers in testIntTypesABI. r=waldo
Bug 937152 - Remove XPCWrappedJS::mMainThread and mMainThreadOnly. r=bholley
Bug 939593 - Resync libcubeb with upstream.  r=kinetik
Bug 936854 - Get the unowned base shape for a shape with the right API, r=jandem.