Don't assume previous shouldSendCallback exists in RN plugin (fixes #692) (#694)
Don't assume previous shouldSendCallback exists in RN plugin (fixes #692) (#694)


getsentry/raven-js,getsentry/raven-js,housinghq/main-raven-js,Mappy/raven-js,getsentry/raven-js,Mappy/raven-js,housinghq/main-raven-js,Mappy/raven-js,getsentry/raven-js,housinghq/main-raven-js