Examine source code of Amazon Same Tab

{
  "manifest_version": 2,
  "name": "Amazon Same Tab",
  "version": "1.0",
  "description": "Opens product pages on Amazon.in search in the same tab instead of defaulting to a new tab.",
  "icons": {
    "48": "icons/ast-48.png",
    "96": "icons/ast-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.in/*"
      ],
      "js": [
        "removeTargetByAttribute.js"
      ]
    }
  ]
}