Move TestEventHandler to ui/events/test

ui/aura/test/test_event_handler.h

-// 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_AURA_TEST_TEST_EVENT_HANDLER_H_
-#define UI_AURA_TEST_TEST_EVENT_HANDLER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/events/event_handler.h"
-
-namespace aura {
-namespace test {
-
-// A simple EventHandler that keeps track of the number of key events that it's
-// seen.
-class TestEventHandler : public ui::EventHandler {
- public:
-  TestEventHandler();
-  virtual ~TestEventHandler();
-
-  int num_key_events() const { return num_key_events_; }
-  int num_mouse_events() const { return num_mouse_events_; }
-  int num_scroll_events() const { return num_scroll_events_; }
-  int num_touch_events() const { return num_touch_events_; }
-  int num_gesture_events() const { return num_gesture_events_; }
-
-  void Reset();
-
-  // ui::EventHandler overrides:
-  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
-  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
-  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
-  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
-
- private:
-  // How many events have been received of each type?
-  int num_key_events_;
-  int num_mouse_events_;
-  int num_scroll_events_;
-  int num_touch_events_;
-  int num_gesture_events_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestEventHandler);
-};
-
-}  // namespace test
-}  // namespace aura
-
-#endif // UI_AURA_TEST_TEST_EVENT_HANDLER_H_