Examine source code of Instant Ad-Close

{
  "name": "Instant Ad-Close",
  "short_name": "Simple ad block in web page",
  "version": "0.6.3",
  "manifest_version": 2,
  "description": "Simple interface for advertising blocking via the webRequest API.",
  "browser_action": {
    "browser_style": true,
    "default_icon": "assets/enabled.png"
  },
  "background": {
    "scripts": [
      "src/default_filters.js",
      "src/block.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "@instantadclose",
      "strict_min_version": "57.0"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "*://*/*"
      ],
      "js": [
        "src/sectips.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "icons": {
    "16": "assets/enabled.png",
    "48": "assets/enabled_48.png"
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "ws://*/*",
    "wss://*/*",
    "webRequest",
    "webRequestBlocking",
    "unlimitedStorage",
    "storage",
    "privacy"
  ],
  "incognito": "spanning"
}