Check site engagement service isn't null before using it.
commit767c6580b37d4220abc2891f61e6f4f2aa3f315f
authorbenwells <benwells@chromium.org>
Thu, 30 Apr 2015 07:00:56 +0000 (30 00:00 -0700)
committerCommit bot <commit-bot@chromium.org>
Thu, 30 Apr 2015 07:01:22 +0000 (30 07:01 +0000)
tree5f3ba6d6269a102c3001c41869d6e7b3ac63f403
parent90b81374b12a6897b3584fe6eb73ad939f471ddc
Check site engagement service isn't null before using it.

It is null when in incognito mode.

BUG=482419

Review URL: https://codereview.chromium.org/1112843008

Cr-Commit-Position: refs/heads/master@{#327664}
chrome/browser/engagement/site_engagement_helper.cc