Replacing WebUIBindings use of CPPBoundClass with v8::Extension.

content/renderer/web_ui_extension.h

Index: content/renderer/web_ui_extension.h
diff --git a/content/renderer/web_ui_extension.h b/content/renderer/web_ui_extension.h
new file mode 100644
index 0000000000000000000000000000000000000000..07d7f11f6f56622e3ec146716a09a2050c2e67dd
--- /dev/null
+++ b/content/renderer/web_ui_extension.h
@@ -0,0 +1,28 @@
+// Copyright 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.
+
+#ifndef CONTENT_RENDERER_WEBUI_EXTENSION_H_
+#define CONTENT_RENDERER_WEBUI_EXTENSION_H_
+
+#include "base/basictypes.h"
+
+namespace v8 {
+class Extension;
+}
+
+namespace content {
+
+class WebUIExtension {
+ public:
+  // Returns the v8::Extension object handling WebUI bindings. Caller takes
+  // ownership of returned object.
+  static v8::Extension* Get();
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(WebUIExtension);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_WEBUI_EXTENSION_H_