Port r282246 to gn.

Temporarily disable -Werror on linux, since the gn build isn't yet
warning-free with clang. Since gn doesn't use -Werror for all targets yet
anyways (http://crbug.com/393046) that seems acceptable.

BUG=360311,393046
R=brettw@chromium.org

Review URL: https://codereview.chromium.org/387693002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284372 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed