Add a new constructor to KeyEvent.

views/events/event_utils_win.h

+// Copyright (c) 2011 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 VIEWS_EVENTS_EVENT_UTILS_WIN_H_
+#define VIEWS_EVENTS_EVENT_UTILS_WIN_H_
+#pragma once
+
+#include "ui/gfx/native_widget_types.h"
+
+// Windows-specific Event utilities. Add functionality here rather than adding
+// #ifdefs to event.h
+
+namespace views {
+
+class Event;
+class KeyEvent;
+
+// Returns the repeat count of the specified KeyEvent. Valid only for
+// KeyEvents constructed from a MSG.
+int GetRepeatCount(const KeyEvent& event);
+
+// Returns true if the affected key is a Windows extended key. See documentation
+// for WM_KEYDOWN for explanation.
+// Valid only for KeyEvents constructed from a MSG.
+bool IsExtendedKey(const KeyEvent& event);
+
+// Return a mask of windows key/button state flags for the event object.
+int GetWindowsFlags(const Event& event);
+
+}  // namespace views
+
+#endif  // VIEWS_EVENTS_EVENT_UTILS_WIN_H_