ref(browser): Extract private methods from breadcrumbs (#4296)
ref(browser): Extract private methods from breadcrumbs (#4296)

Co-authored-by: Armin Ronacher <51e1b983df8328b92ad653ca9129d9a11178303a@active-4.com>
getsentry/raven-js,getsentry/raven-js,getsentry/raven-js,getsentry/raven-js