Fix pushState exception when run inside Chrome Apps (fixes #601) (#621)
Fix pushState exception when run inside Chrome Apps (fixes #601) (#621)


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