Examine source code of AnchorTab: Focus Assist

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "version": "2.0",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "permissions": [
    "activeTab",
    "notifications",
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background/background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/content.js"
      ],
      "css": [
        "src/content/content.css"
      ]
    }
  ],
  "homepage_url": "https://github.com/ferdinandalexander/SpotMe",
  "author": "Ferdinand B. Alexander",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "applications": {
    "gecko": {
      "id": "{96e6e145-3488-4b8f-9fcb-9c1e5dbb9f3b}",
      "strict_min_version": "110.0"
    }
  }
}