Add crashing expectation for debugger-pause-in-internal.html

BUG=320477
TBR=pfeldman

Review URL: https://codereview.chromium.org/74833002

git-svn-id: svn://svn.chromium.org/blink/trunk@162167 bbb929c8-8fbe-4397-9dbb-9b2b20218538