{
    "manifest_version": 2,

    "name": "get_source",
    "description": "print html code.",
    "version": "1.0",

    "browser_action": {
        "default_icon": "icon.png",
        "default_popup": "popup.html"
    },
    "permissions": [
        "tabs",
        "<all_urls>"
    ]
}