Examine source code of Click&Buy

{
  "manifest_version": 2,
  "name": "Click&Buy",
  "description": "This extension will help you checkout & ship items from most Ecommerces abroad using Click&Buy",
  "version": "0.2",
  "browser_action": {
    "default_icon": "src/icons/icon.png",
    "default_popup": "src/html/popover.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.ebay.com/*"
      ],
      "js": [
        "src/js/inject.js",
        "src/js/main.js"
      ],
      "all_frames": false
    }
  ],
  "permissions": [
    "*://*.amazon.com/*",
    "*://*.ebay.com/*"
  ],
  "web_accessible_resources": [
    "src/html/*",
    "src/img/*",
    "src/js/*",
    "src/css/*"
  ]
}