我正在进行chrome扩展,我正在使用以下内容

的manifest.json

{
        "name": "Test extension","version": "1.1","description": "Test extension.","icons": {
            "128": "icon_128.png"
        },"chrome_url_overrides": {
            "newtab": "cc.html"
        },"manifest_version": 2
    }

cc.html