Examine source code of CS-Recon

{
  "name": "CS-Recon",
  "short_name": "CS-Recon",
  "author": "CS-Recon",
  "homepage_url": "https://cs-recon.boik.com.tw",
  "description": "Identify web technologies and share with others by Crowdsourcing",
  "version": "1.0.1",
  "default_locale": "en",
  "manifest_version": 2,
  "icons": {
    "16": "images/icon_16.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icon_16.png",
      "48": "images/icon_48.png",
      "128": "images/icon_128.png"
    },
    "default_title": "CS-Recon",
    "default_popup": "html/popup.html"
  },
  "background": {
    "page": "html/background.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/lib/iframe.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "js/inject.js"
  ],
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": false
  },
  "permissions": [
    "cookies",
    "storage",
    "tabs",
    "webRequest",
    "webNavigation",
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}