manifest.json

{

    "manifest_version"  : 2,
    "name"              : "Magento Developmer Tools",
    "author"            : "Rick Buczynski",
    "description"       : "This extension provides client-side tools for managing your Magento deployments.",
    "version"           : "1.0",
    "options_page"      : "options/index.html",
    "background"        : {
        "scripts"       : ["lib/tab-events.js"],
        "persistent"    : false
    },
    "browser_action"    : {
        "default_icon"  : {
            "19"    : "assets/icon-toolbar-19.png",
            "38"    : "assets/icon-toolbar-38.png"
        },
        "default_title" : "Magento Developer Tools"
    },
    "permissions"       : [
        "*://*/*",
        "webNavigation",
        "tabs",
        "storage",
        "notifications"
    ],
    "web_accessible_resources" : [
        "assets/*.png",
        "assets/*.css",
        "lib/*.js"
    ]

}