Quote CppBoundClass/CppVariant in namespace.

chrome/renderer/external_host_bindings.cc

Index: chrome/renderer/external_host_bindings.cc
diff --git a/chrome/renderer/external_host_bindings.cc b/chrome/renderer/external_host_bindings.cc
index 33ac0bbf2065a736a26e8ab46ad7e6bfca231fcb..479e175777275c10c3718d57a743f4225aa2f1c6 100644
--- a/chrome/renderer/external_host_bindings.cc
+++ b/chrome/renderer/external_host_bindings.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -13,6 +13,8 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 
 using WebKit::WebBindings;
+using webkit_glue::CppArgumentList;
+using webkit_glue::CppVariant;
 
 ExternalHostBindings::ExternalHostBindings(IPC::Message::Sender* sender,
                                            int routing_id)