Control Spotify

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Control Spotify",
    "description": "Play and pause Spotify.",
    "version": "1.0",
    "content_scripts": [
        {
            "matches": [
                "https:\/\/play.spotify.com\/*"
            ],
            "js": [
                "content.js"
            ]
        }
    ],
    "web_accessible_resources": [
        "inject.js"
    ],
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "browser_action": {
        "default_icon": "pause.png"
    }
}