Examine source code of Disable Youtube comments

{
  "manifest_version": 2,
  "name": "__MSG_extension_name__",
  "short_name": "disable-youtube-comments",
  "version": "0.0.1",
  "description": "__MSG_extension_description__",
  "homepage_url": "https://github.com/fernandobrscunha/disable-youtube-comments",
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "icons": {
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "src/content/content_script.js"
      ],
      "css": [
        "src/content/styles.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon128.png",
    "default_title": "Disable Youtube Comments",
    "default_popup": "src/popup/config_popup.html"
  },
  "web_accessible_resources": [
    "src/content/*"
  ]
}