Classgap Screensharing

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Classgap Screensharing",
  "description": "Screensharing in Classgap classroom",
  "version": "0.0.8",
  "manifest_version": 2,
  "author": "Classgap.com",
  "minimum_chrome_version": "34",
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "19": "images/icon19.png",
      "38": "images/icon38.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "19": "images/icon19.png",
    "38": "images/icon38.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "desktopCapture"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://room.classgap.com/*",
        "https://dev.classgap.com/*"
      ]
    }
  ],
  "externally_connectable": {
    "matches": [
      "https://room.classgap.com/*",
      "https://dev.classgap.com/*"
    ]
  }
}