Windows 键盘快捷键
https://support.google.com/chrome/bin/answer.py?hl=zh-Hans&answer=157179
Linux 键盘快捷键
https://support.google.com/chrome/bin/answer.py?hl=zh-Hans&answer=171571&topic=25799&ctx=topic
Mac 键盘快捷键
https://support.google.com/chrome/bin/answer.py?hl=zh-Hans&answer=165450&topic=25799&ctx=topic