Add a callstack to the known_crashes list.
Add a callstack to the known_crashes list.

Bug=39529
TBR=amit

Review URL: http://codereview.chromium.org/1477001

git-svn-id: http://src.chromium.org/svn/trunk/src@42849 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6d10714ab56ff0437782ffdbfea519a72212aa6d
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser