Examine source code of Pureweb

{
  "name": "Pureweb",
  "description": "__MSG_description__",
  "version": "1.0.0",
  "default_locale": "en",
  "background": {
    "scripts": [
      "./adguard/adguard-api.js",
      "./core.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "adguard/adguard-content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "match_about_blank": true,
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_popup": "./index.html",
    "default_title": "Pureweb",
    "default_icon": {
      "16": "assets/16.png",
      "32": "assets/32.png",
      "48": "assets/48.png",
      "128": "assets/128.png"
    }
  },
  "icons": {
    "16": "assets/16.png",
    "32": "assets/32.png",
    "48": "assets/48.png",
    "128": "assets/128.png"
  },
  "manifest_version": 2,
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "http://*/*",
    "https://*/*",
    "storage",
    "tabs",
    "unlimitedStorage"
  ]
}