My School Management - Overall Summary

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "My School Management - Overall  Summary",
  "version": "0.0.0.3",
  "description": "Adds a student and class summary table to the 'Graded Exercise' page on 'myschoolmanagement.com' ",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "manifest_version": 2,
  "permissions": [],
  "browser_action": {
    "name": "Manipulate DOM",
    "icons": [
      "icon48.png"
    ],
    "default_icon": "icon48.png"
  },
  "content_scripts": [
    {
      "js": [
        "jquery.min.js",
        "contentscript.js"
      ],
      "matches": [
        "http://*.myschoolmanagement.com/*",
        "https://*.myschoolmanagement.com/*"
      ]
    }
  ]
}