Adding a separate ONC validation binary.

chromeos/chromeos_tools.gypi

Index: chromeos/chromeos_tools.gypi
diff --git a/chromeos/chromeos_tools.gypi b/chromeos/chromeos_tools.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..b634240b85db464060465d7c72f315f5b66181de
--- /dev/null
+++ b/chromeos/chromeos_tools.gypi
@@ -0,0 +1,19 @@
+# Copyright (c) 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'targets' : [
+    {
+      'target_name': 'onc_validator',
+      'type': 'executable',
+      'dependencies': [
+        '../base/base.gyp:base',
+        'chromeos.gyp:chromeos',
+      ],
+      'sources': [
+        'tools/onc_validator/onc_validator.cc',
+      ],
+    },
+  ],
+}