Examine source code of Media Hint

{
  "manifest_version": 2,
  "name": "Media Hint",
  "version": "3.1.4",
  "description": "MediaHint unblocks movies, TV series, music, sports and live events that are blocked in your location. Add the MediaHint browser extension and unblock Netflix, Hulu and more in less than a minute!",
  "icons": {
    "48": "data/icon-48.png",
    "96": "data/icon-96.png",
    "128": "data/icon.png"
  },
  "background": {
    "scripts": [
      "lib/app.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://mediahint.com/*"
      ],
      "js": [
        "lib/content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "data/off-16.png",
      "32": "data/off-32.png",
      "64": "data/off-64.png"
    },
    "default_title": "MediaHint - OFF"
  },
  "permissions": [
    "proxy",
    "https://mediahint.com/*",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "applications": {
    "gecko": {
      "id": "firefox@mediahint.com"
    }
  }
}