chrome formats

name:'app name'

version:"0.0.1"

description:'something '

icons:{

16:'',

48:'',

128:''

}

"chrome_url_overrides": {  覆盖chrome 默认的tab页

"newtab": "newtab.html" 

}

"options_page": "options.html" 配置程序的扩展选项

page_action 和 browser_action 和 app 只能配置一个