C3 Example Extension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "C3 Example Extension",
  "description": "Enables screen sharing for Example application. This extension has no user interface.",
  "version": "2.1.0",
  "manifest_version": 2,
  "icons": {
    "128": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content-script.js"
      ],
      "all_frames": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "permissions": [
    "http://*/*",
    "https://*/*",
    "tabs",
    "activeTab",
    "tabCapture",
    "desktopCapture",
    "notifications"
  ]
}