Keyboard Lock Host implementation

components/keyboard_lock/key_event_filter_share_wrapper.h

+// Copyright 2017 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 COMPONENTS_KEYBOARD_LOCK_KEY_EVENT_FILTER_SHARE_WRAPPER_H_
+#define COMPONENTS_KEYBOARD_LOCK_KEY_EVENT_FILTER_SHARE_WRAPPER_H_
+
+#include "components/keyboard_lock/key_event_filter.h"
+
+namespace keyboard_lock {
+
+class KeyEventFilterShareWrapper final : public KeyEventFilter {
+ public:
+  KeyEventFilterShareWrapper(KeyEventFilter* filter);
+  ~KeyEventFilterShareWrapper() override;
+
+ private:
+  // KeyEventFilter implementations
+  bool OnKeyDown(ui::KeyboardCode code, int flags) override;
+  bool OnKeyUp(ui::KeyboardCode code, int flags) override;
+
+  KeyEventFilter* const filter_;
+};
+
+}  // namespace keyboard_lock
+
+#endif  // COMPONENTS_KEYBOARD_LOCK_KEY_EVENT_FILTER_SHARE_WRAPPER_H_