Re-enable nacl outer sandbox test using ppapi helloworld to trigger nacl.
Re-enable nacl outer sandbox test using ppapi helloworld to trigger nacl.

TEST=nacl_sandbox_test
BUG=64973
Review URL: http://codereview.chromium.org/6379004

git-svn-id: http://src.chromium.org/svn/trunk/src@72534 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9880fb5d2fbb8d859bd5532c2adbd32f9590576d
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