Support command wrapper in make_global_settings

test/make_global_settings/wrapper/wrapper.gyp

Index: test/make_global_settings/wrapper/wrapper.gyp
diff --git a/test/make_global_settings/wrapper/wrapper.gyp b/test/make_global_settings/wrapper/wrapper.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..91e356f4e3d5c304a2946cfa5214791f01490e44
--- /dev/null
+++ b/test/make_global_settings/wrapper/wrapper.gyp
@@ -0,0 +1,19 @@
+# Copyright (c) 2013 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'make_global_settings': [
+    ['CC', 'clang'],
+    ['CC_wrapper', 'distcc'],
+    ['LINK', 'clang++'],
+    ['LINK_wrapper', 'distlink'],
+  ],
+  'targets': [
+    {
+      'target_name': 'test',
+      'type': 'static_library',
+      'sources': [ 'foo.c' ],
+    },
+  ],
+}