Add nacl_integration back on win_rel.

The underlying issue with python 2.7 and nacl_integration_tests is fixed.

R=phajdan.jr@chromium.org
BUG=319558,319585

Review URL: https://codereview.chromium.org/112953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/commit-queue@240164 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/projects.py b/projects.py
index f3e69c2..09a3d5b 100644
--- a/projects.py
+++ b/projects.py
@@ -386,8 +386,7 @@
         'events_unittests',
         'installer_util_unittests',
         'mini_installer_test',
-        # http://crbug.com/319558
-        #'nacl_integration',
+        'nacl_integration',
         'remoting_unittests',
         'sync_integration_tests',
         'telemetry_unittests',