Fix Mac print crash
Fix Mac print crash

Stop executing the "OK branch" when the user cancels a print on Mac.

BUG=57125
TEST=manual, see bug description

Review URL: http://codereview.chromium.org/3509009

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@60914 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser