Amazon to Goodreads

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Amazon to Goodreads",
  "version": "1.0",
  "description": "This extension allows you to click a button to open up an Amazon book in Goodreads.",
  "manifest_version": 2,
  "icons": {
    "16": "images/logo_16.png",
    "32": "images/logo_32.png",
    "128": "images/logo_128.png"
  },
  "page_action": {
    "default_title": "Open this book on Goodreads.",
    "default_icon": {
      "16": "images/logo_16.png",
      "24": "images/logo_24.png",
      "32": "images/logo_32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "declarativeContent"
  ]
}