Examine source code of Amazon Shopping Tools

{
  "manifest_version": 2,
  "name": "Amazon Shopping Tools",
  "description": "Save money and time with DontPayFull proprietary Amazon Shopping Tools. Get instant discounts up to 75% off and find hidden deals!",
  "default_locale": "en",
  "icons": {
    "16": "icons/16x16.png",
    "48": "icons/48x48.png",
    "128": "icons/128x128.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_security_policy": "script-src 'self'  https://*.google-analytics.com; object-src 'self'",
  "version": "1.2.8",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Amazon Shopping Tools",
    "default_icon": {
      "19": "icons/19x19.png",
      "38": "icons/38x38.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a3e7cda-d016-4ca8-b261-24fc8bc9b0e1}"
    }
  }
}