manifest.json

{
    "name": "instant-note",
    "version": "0.1",
    "description": "instant note",
    "permissions": ["activeTab", "declarativeContent", "storage", "unlimitedStorage", "tabs"],
    "background": {
        "scripts": ["background.js"],
        "persistent": false
    },
    "browser_action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16" : "images/get_started16.png",
            "32" : "images/get_started32.png",
            "48" : "images/get_started48.png",
            "128" : "images/get_started128.png"
        }
    },
    "icons": {
        "16" : "images/get_started16.png",
        "32" : "images/get_started32.png",
        "48" : "images/get_started48.png",
        "128" : "images/get_started128.png"
    },
    "chrome_url_overrides": {
        "newtab": "newtab.html"
    },
    "manifest_version": 2
}