manifest.json

{
    "name": "Stegosaur",
    "version": "0.0.1",
    "manifest_version": 2,
    "options_page": "options.html",
    "description": "PGP + Steganography!",
    "homepage_url": "https://www.illinois.edu",
    "background": {
        "scripts": [
            "main.js",
            "jquery-3.1.1.min.js",
            "sjcl.js",
            "steganography.js"
        ],
        "persistent": true
    },
    "browser_action": {
        "default_title": "Inject!",
        "default_popup": "popup.html"
    },
    "permissions": [
        "https://mail.google.com/*",
        "https://inbox.google.com/*",
        "storage",
        "tabs"
    ],
    "content_scripts": [
        {
            "matches": [
                "https://mail.google.com/*"
            ],
            "js": [
                "jquery-3.1.1.min.js",
                "inboxsdk.js",
                "openpgp.min.js",
                "pgp.js",
                "main.js",
                "sjcl.js",
                "steganography.js"
            ]
        }
    ],
    "web_accessible_resources": [
        "imageselect.html",
        "imageselect.js",
        "inboxsdk.js",
        "openpgp.min.js",
        "jquery-3.1.1.min.js",
        "main.js",
        "pgp.js",
        "sjcl.js",
        "steganography.js"
    ]
}