"Sort by Review Count" for Amazon

manifest.json

{
  "name": "Sort By Review Count for Amazon",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Sort By Review Count for Amazon sorts product search results by most reviewed.",
  "browser_action": {
    "default_icon": "icon48.png"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.ae/*",
        "*://*.amazon.at/*",
        "*://*.amazon.ca/*",
        "*://*.amazon.cn/*",
        "*://*.amazon.co.jp/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.com.au/*",
        "*://*.amazon.com.br/*",
        "*://*.amazon.com.mx/*",
        "*://*.amazon.com.sg/*",
        "*://*.amazon.com.tr/*",
        "*://*.amazon.com/*",
        "*://*.amazon.de/*",
        "*://*.amazon.es/*",
        "*://*.amazon.fr/*",
        "*://*.amazon.ie/*",
        "*://*.amazon.in/*",
        "*://*.amazon.it/*",
        "*://*.amazon.nl/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "common.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "*://*.amazon.ae/*",
    "*://*.amazon.at/*",
    "*://*.amazon.ca/*",
    "*://*.amazon.cn/*",
    "*://*.amazon.co.jp/*",
    "*://*.amazon.co.uk/*",
    "*://*.amazon.com.au/*",
    "*://*.amazon.com.br/*",
    "*://*.amazon.com.mx/*",
    "*://*.amazon.com.sg/*",
    "*://*.amazon.com.tr/*",
    "*://*.amazon.com/*",
    "*://*.amazon.de/*",
    "*://*.amazon.es/*",
    "*://*.amazon.fr/*",
    "*://*.amazon.ie/*",
    "*://*.amazon.in/*",
    "*://*.amazon.it/*",
    "*://*.amazon.nl/*"
  ],
  "applications": {
    "gecko": {
      "id": "sort-by-review-count-amazon@mhetralla"
    }
  }
}