GitLab

Now when NPAPI plugin is not present the host setup wizard detects
when the host is not installed and asks the user to install it.

BUG=339626

Review URL: https://codereview.chromium.org/132793007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248604 0039d316-1c4b-4281-b951-d872f2087c98