Twitter Favorite Image Downloader

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Twitter Favorite Image Downloader",
  "version": "0.0.1",
  "description": "Download any image just by clicking the like button. Simple and easy.",
  "permissions": [],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/tweet_pin16.png",
      "32": "images/tweet_pin32.png",
      "48": "images/tweet_pin48.png",
      "128": "images/tweet_pin128.png"
    }
  },
  "icons": {
    "16": "images/tweet_pin16.png",
    "32": "images/tweet_pin32.png",
    "48": "images/tweet_pin48.png",
    "128": "images/tweet_pin128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "manifest_version": 2
}