freshbooks-resizer/manifest.json

{
  "manifest_version": 2,

  "name": "Timer Resizer for FreshBooks",
  "description": "Easily minimize your Timesheet / Time Tracking window to save screen space! (Not affiliated with or endorsed by FreshBooks.)",
  "version": "1.1",

  "icons": { "48": "icon48.png",
          "128": "icon128.png" },

  "content_scripts": [
    {
      "matches": ["https://*.freshbooks.com/internal*"],
      "js": ["freshbooks-resizer.js","injected.js"]
    }
  ],
  "web_accessible_resources": ["injected.js"]
}