Poe.trade custom whisper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Poe.trade custom whisper",
  "description": "Customize your whisper for poe.trade",
  "version": "1.0",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_css": "style.css"
  },
  "content_scripts": [
    {
      "js": [
        "jquery-3.1.1.min.js",
        "get_item_info.js"
      ],
      "matches": [
        "http://*.poe.trade/*"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage",
    "https://ajax.googleapis.com/"
  ]
}