Examine source code of SkipYoutubeAd

{
  "manifest_version": 2,
  "name": "SkipYoutubeAd",
  "description": "Skips youtube ad",
  "version": "1.2",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true,
      "js": [
        "arrive.js",
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "65.0"
    }
  }
}