[chromedriver] Separate stuff of chrome from chromedriver.

chrome/test/chromedriver/ui_events.cc

-// 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.
-
-#include "chrome/test/chromedriver/ui_events.h"
-
-MouseEvent::MouseEvent(MouseEventType type,
-                       MouseButton button,
-                       int x,
-                       int y,
-                       int click_count)
-    : type(type), button(button), x(x), y(y), click_count(click_count) {}
-
-MouseEvent::~MouseEvent() {}
-
-KeyEvent::KeyEvent(KeyEventType type,
-                   int modifiers,
-                   const std::string& modified_text,
-                   const std::string& unmodified_text,
-                   ui::KeyboardCode key_code)
-    : type(type), modifiers(modifiers), modified_text(modified_text),
-      unmodified_text(unmodified_text), key_code(key_code) {}
-
-KeyEvent::~KeyEvent() {}