Examine source code of Newegg Assistant

{
  "manifest_version": 2,
  "name": "Newegg Assistant",
  "version": "0.2.0",
  "description": "Newegg assistant for newegg customer",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "icons": {
    "16": "resources/images/icons/icon16.png",
    "48": "resources/images/icons/icon48.png",
    "128": "resources/images/icons/icon128.png"
  },
  "background": {
    "scripts": [
      "index.js"
    ]
  },
  "browser_action": {
    "default_icon": "resources/images/icons/icon48.png",
    "default_title": "Newegg Assistant",
    "default_popup": "popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/index.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "permissions": [
    "*://*/*"
  ],
  "web_accessible_resources": [
    "*",
    "*://*/*"
  ],
  "omnibox": {
    "keyword": "@newegg"
  },
  "default_locale": "en_US",
  "browser_specific_settings": {
    "gecko": {
      "id": "{d6ba64bb-55fb-489d-b191-860ba5a6922d}"
    }
  }
}