Examine source code of Meta-TradingView

{
  "manifest_version": 2,
  "name": "ValidTrader - MTV",
  "version": "1.0",
  "applications": {
    "gecko": {
      "id": "mtv@validtrader.com"
    }
  },
  "icons": {
    "192": "icons/icon-192.png",
    "512": "icons/icon-512.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "activeTab",
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "index.html",
    "browser_style": true
  }
}