Examine source code of DruidX

{
  "name": "DruidX",
  "manifest_version": 2,
  "version": "1.6resigned1",
  "applications": {
    "gecko": {
      "id": "support@druidx.com"
    }
  },
  "description": "DruidX - Comparateur de prix en temps réel",
  "icons": {
    "128": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage",
    "webNavigation",
    "http://ws.druix.com/*",
    "https://ws.druidx.com/*",
    "https://www.castorus.com/*",
    "http://*/*",
    "https://*/*"
  ],
  "page_action": {
    "default_title": "DruidX",
    "default_icon": "icon.png"
  },
  "externally_connectable": {
    "matches": [
      "*://*.druidx.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}