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diff --git a/chromium/ui/ozone/public/event_factory_ozone.h b/chromium/ui/ozone/public/event_factory_ozone.h
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+++ b/chromium/ui/ozone/public/event_factory_ozone.h
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+// Copyright (c) 2013 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 UI_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_
+#define UI_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_
+
+#include <map>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_pump_libevent.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/ozone/ozone_base_export.h"
+
+namespace gfx {
+class PointF;
+}
+
+namespace ui {
+
+class Event;
+
+// Creates and dispatches |ui.Event|'s. Ozone assumes that events arrive on file
+// descriptors with one  |EventConverterOzone| instance for each descriptor.
+// Ozone presumes that the set of file descriptors can vary at runtime so this
+// class supports dynamically adding and removing |EventConverterOzone|
+// instances as necessary.
+class OZONE_BASE_EXPORT EventFactoryOzone {
+ public:
+  EventFactoryOzone();
+  virtual ~EventFactoryOzone();
+
+  // Warp the cursor to a location within an AccelerateWidget.
+  // If the cursor actually moves, the implementation must dispatch a mouse
+  // move event with the new location.
+  virtual void WarpCursorTo(gfx::AcceleratedWidget widget,
+                            const gfx::PointF& location);
+
+  // Returns the singleton instance.
+  static EventFactoryOzone* GetInstance();
+
+ private:
+  static EventFactoryOzone* impl_;  // not owned
+
+  DISALLOW_COPY_AND_ASSIGN(EventFactoryOzone);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_