Examine source code of Amazon(US) Search

{
  "description": "Like a product? Want to search it on Amazon US store, this extension will add a Search Amazon entry in the context menu for quick search on Amazon",
  "manifest_version": 2,
  "name": "Amazon(US) Search",
  "version": "1.1resigned1",
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "icons": {
    "48": "icons/48.png",
    "96": "icons/48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef34596e-1e43-4e84-b2ff-1e58e287e08d}"
    }
  }
}