Examine source code of Reddont

{
  "manifest_version": 2,
  "name": "Reddont",
  "version": "1.1",
  "description": "Adds a browser action to disable & re-enable content on the front page and all subreddits of reddit.",
  "icons": {
    "48": "icons/reddit-48.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/reddit-32.png",
    "default_title": "Reddont",
    "default_popup": "popup/reddont_toggle.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "content_scripts/reddont.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{34e55309-8b9e-42f0-ab30-a26866ca4d46}"
    }
  }
}