Examine source code of BAPP

{
  "name": "BAPP",
  "permissions": [
    "identity",
    "storage",
    "contextMenus",
    "<all_urls>"
  ],
  "icons": {
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ],
      "js": [
        "contentScript.bundle.js"
      ],
      "css": [
        "content.styles.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bappbrowser@bapp.ro"
    }
  },
  "manifest_version": 2,
  "options_ui": {
    "chrome_style": true,
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "background.bundle.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "BAPP",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    "content.styles.css",
    "icon-128.png",
    "icon-34.png"
  ],
  "description": "A browser extension to complement the usage of BAPP platform.",
  "version": "1.2.9"
}