Examine source code of KB Collector

{
  "manifest_version": 2,
  "name": "KB Collector",
  "version": "0.0.0.1",
  "description": "Outil d'extration et de collecte de données web",
  "homepage_url": "http://78.138.45.195/realisations/kb_collector/",
  "permissions": [
    "http://*/*",
    "https://*/*",
    "activeTab",
    "tabs",
    "storage"
  ],
  "icons": {
    "16": "icon/favicon-16x16.png",
    "32": "icon/favicon-32x32.png",
    "128": "icon/favicon-128x128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icon/favicon-16x16.png",
      "32": "icon/favicon-32x32.png",
      "128": "icon/favicon-128x128.png"
    },
    "default_title": "KB Collector",
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    "res/*",
    "res/images/*",
    "floating-frame/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{004a27d7-c891-426e-b2bc-3305af2e22ca}"
    }
  }
}