manifest.json

{
  "name": "Media Hotkeys",
  "version": "0.1.1",
  "manifest_version": 2,
  "description": "Add Youtube style keyboard shortcuts to the media elements on all pages",
  "homepage_url": "https://github.com/jiangts/media-hotkeys",
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "storage"
  ],
  "default_locale": "en",
  "browser_action": {
    "default_popup": "./src/popup/index.html"
  },
  "background": {
    "scripts": [
        "js/jquery-2.2.4.min.js",
        "js/toastr.min.js",
        "./src/popup/index.js"
    ],
    "persistent": true
  },
  "options_page": "src/popup/index.html",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/toastr.min.css",
        "css/index.css"
      ],
      "js": [
        "js/jquery-2.2.4.min.js",
        "js/mousetrap.min.js",
        "js/toastr.min.js",
        "js/screenfull.min.js",
        "src/inject/index.js"
      ]
    }
  ]
}