Emoji Keyboard - Emojis For Chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "browser_action": {
        "default_icon": "icon48.png",
        "default_popup": "emojikeyboard.html"
    },
    "background": {
        "page": "emojikeyboard.html"
    },
    "commands": {
        "_execute_browser_action": {
            "suggested_key": {
                "chromeos": "Alt+Shift+E",
                "linux": "Alt+Shift+E",
                "mac": "Alt+Shift+E",
                "windows": "Alt+Shift+E"
            }
        }
    },
    "content_scripts": [
        {
            "js": [
                "insert-emoji.js"
            ],
            "matches": [
                ""
            ],
            "run_at": "document_idle"
        }
    ],
    "content_security_policy": "script-src 'self' https:\/\/ssl.google-analytics.com; object-src 'self'",
    "description": "Emoji Keyboard is a free extension that lets you input emojis on the web browser of your computer",
    "icons": {
        "128": "icon128.png",
        "16": "icon.png",
        "48": "icon48.png"
    },
    "manifest_version": 2,
    "name": "Emoji Keyboard - Emojis For Chrome",
    "short_name": "Emoji Keyboard",
    "permissions": [
        "storage",
        "",
        "webRequest",
        "webRequestBlocking"
    ],
    "version": "4.5.4",
    "web_accessible_resources": [
        "jquery-3.1.0.min.js",
        "data_emoji.js",
        "images\/sprites\/emojione\/emojione-0-2x.png",
        "images\/sprites\/emojione\/emojione-1-2x.png",
        "images\/sprites\/emojione\/emojione-2-2x.png",
        "images\/sprites\/emojione\/emojione-3-2x.png",
        "images\/sprites\/emojione\/emojione-4-2x.png",
        "images\/sprites\/emojione\/emojione-5-2x.png",
        "images\/sprites\/emojione\/emojione-6-2x.png",
        "images\/sprites\/emojione\/emojione-7-2x.png",
        "images\/sprites\/emojione\/emojione-8-2x.png",
        "sweetalert2.min.css",
        "sweetalert2.min.js",
        "emojikeyboard.png",
        "ga.js"
    ]
}