Get the test plugin compiling and working for the Mac.

webkit/tools/npapi_layout_test_plugin/Info.r

Index: webkit/tools/npapi_layout_test_plugin/Info.r
===================================================================
--- webkit/tools/npapi_layout_test_plugin/Info.r	(revision 0)
+++ webkit/tools/npapi_layout_test_plugin/Info.r	(revision 0)
@@ -0,0 +1,22 @@
+// Copyright (c) 2008 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.
+
+#include <Carbon/Carbon.r>
+
+// Ignored by WebKit, but included for completeness so that Mozilla and friends
+// can load us.
+
+resource 'STR#' (126) { {
+  "Simple Netscape plug-in that handles test content for WebKit",
+  "WebKit Test PlugIn"
+} };
+
+resource 'STR#' (127) { {
+  "test netscape content"
+} };
+
+resource 'STR#' (128) { {
+  "application/x-webkit-test-netscape",
+  "testnetscape"
+} };