GitLab

BUG=49702
TEST=Integrated PDF plugin should work on Linux Chrome, and --register-pepper-plugins works on Linux even with sandbox enabled.

Review URL: http://codereview.chromium.org/3031011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@53977 0039d316-1c4b-4281-b951-d872f2087c98