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diff --git a/chromium/ui/wm/core/input_method_event_filter.h b/chromium/ui/wm/core/input_method_event_filter.h
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+// 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.
+
+#ifndef UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_
+#define UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/base/ime/input_method_delegate.h"
+#include "ui/events/event_handler.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/wm/wm_export.h"
+
+namespace ui {
+class EventProcessor;
+class InputMethod;
+}
+
+namespace wm {
+
+// An event filter that forwards a KeyEvent to a system IME, and dispatches a
+// TranslatedKeyEvent to the root window as needed.
+class WM_EXPORT InputMethodEventFilter
+ : public ui::EventHandler,
+ public ui::internal::InputMethodDelegate {
+ public:
+ explicit InputMethodEventFilter(gfx::AcceleratedWidget widget);
+ virtual ~InputMethodEventFilter();
+
+ void SetInputMethodPropertyInRootWindow(aura::Window* root_window);
+
+ ui::InputMethod* input_method() const { return input_method_.get(); }
+
+ private:
+ // Overridden from ui::EventHandler:
+ virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
+
+ // Overridden from ui::internal::InputMethodDelegate:
+ virtual bool DispatchKeyEventPostIME(const ui::KeyEvent& event) OVERRIDE;
+
+ scoped_ptr<ui::InputMethod> input_method_;
+
+ DISALLOW_COPY_AND_ASSIGN(InputMethodEventFilter);
+};
+
+} // namespace wm
+
+#endif // UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_