Examine source code of Amazon Detail Page

{
  "manifest_version": 2,
  "name": "Amazon Detail page",
  "description": "Search on Amazon",
  "version": "1.1resigned1",
  "icons": {
    "48": "logo_48.jpg"
  },
  "permissions": [
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cdef60a5-57b7-48e0-866c-5d638fcd2191}"
    }
  }
}