Bug 1055596 - Fix crash reporting for web-platform-tests, r=ahal

--HG--
extra : rebase_source : 17b6aaee566bcb312b7f5d055c36fbb8f730c692
Merging from default

changeset:   3082:f3c0437d982d
tag:         tip
parent:      3080:48cd98ca43b1
user:        James Graham <james@hoppipolla.co.uk>
date:        Wed Aug 20 13:43:20 2014 +0100
summary:     Bug 1055596 - Fix crash reporting for web-platform-tests, r=ahal

--HG--
branch : production