Word and Page Count for Google Docs

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Word and Page Count for Google Docs",
  "version": "1.3",
  "manifest_version": 2,
  "web_accessible_resources": [
    "statusbar.html"
  ],
  "description": "Status bar display of word and page count in Google Docs.",
  "background": {
    "page": "background.html"
  },
  "page_action": {
    "default_icon": "icon.png",
    "default_title": "Ready to count words and pages in Google doc"
  },
  "content_scripts": [
    {
      "matches": [
        "https://docs.google.com/document/*"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "48": "48.png",
    "128": "128.png"
  },
  "options_page": "fancy-settings/source/index.html"
}