Ozone integration.

ui/ozone/demo/renderer.h

 // Copyright 2014 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 "ui/events/platform/platform_event_source.h"
+#ifndef UI_OZONE_DEMO_RENDERER_H_
+#define UI_OZONE_DEMO_RENDERER_H_
 
 namespace ui {
 
-scoped_ptr<PlatformEventSource> PlatformEventSource::CreateDefault() {
-  return nullptr;
-}
+class Renderer {
+ public:
+  virtual ~Renderer() {}
+
+  virtual bool Initialize() = 0;
+};
 
 }  // namespace ui
+
+#endif  // UI_OZONE_DEMO_RENDERER_H_