Engine

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Engine",
  "version": "13.11.11",
  "description": "Real-time, relevant knowledge inside Gmail",
  "background": {
    "scripts": [
      "jquery-1.8.2.min.js",
      "async.min.js",
      "background.js"
    ]
  },
  "manifest_version": 2,
  "icons": {
    "48": "sample-48.png",
    "128": "sample-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://mail.google.com/*"
      ],
      "js": [
        "jquery-1.8.2.min.js",
        "async.min.js",
        "bootstrap.js",
        "options.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'  'unsafe-eval'; object-src 'self'",
  "permissions": [
    "https://apps.engine.co/*",
    "https://preview.engine.co/*",
    "https://127.0.0.1:3000/*",
    "storage",
    "contextMenus",
    "tabs"
  ],
  "web_accessible_resources": [
    "logo_engine_dark.png"
  ],
  "options_page": "options.html",
  "browser_action": {
    "default_icon": {
      "19": "logo_engine_dark.png",
      "38": "logo_engine_dark.png"
    },
    "default_title": "Engine Inc."
  }
}