Add OVERRIDE to webkit/.

webkit/plugins/npapi/test/plugin_npobject_proxy_test.h

Index: webkit/plugins/npapi/test/plugin_npobject_proxy_test.h
diff --git a/webkit/plugins/npapi/test/plugin_npobject_proxy_test.h b/webkit/plugins/npapi/test/plugin_npobject_proxy_test.h
index 8585d0f83407dd1e69defdd4ff143b76a58a665b..2f66dad7e27c38642f338324fb809d9129986679 100644
--- a/webkit/plugins/npapi/test/plugin_npobject_proxy_test.h
+++ b/webkit/plugins/npapi/test/plugin_npobject_proxy_test.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -19,7 +19,7 @@ class NPObjectProxyTest : public PluginTest {
   NPObjectProxyTest(NPP id, NPNetscapeFuncs *host_functions);
 
   // NPAPI SetWindow handler.
-  virtual NPError SetWindow(NPWindow* pNPWindow);
+  virtual NPError SetWindow(NPWindow* pNPWindow) OVERRIDE;
 };
 
 }  // namespace NPAPIClient