Examine source code of Fohlio Web Clipper

{
  "manifest_version": 2,
  "name": "Fohlio Web Clipper",
  "short_name": "Fohlio Plugin",
  "description": "For interior and architecture designers to clip the product information from web to their specification list.",
  "version": "2.8.5",
  "author": "Fohlio Inc",
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "scripts/browser-polyfill.js",
      "scripts/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "activeTab",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Smart extraction of product specification for your design project",
    "default_icon": {
      "16": "images/icon-16.png"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "styles/app.css"
      ],
      "js": [
        "scripts/browser-polyfill.js",
        "scripts/page.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "web_accessible_resources": [
    "plugin.html",
    "scripts/app.js",
    "scripts/browser-polyfill.js"
  ]
}