Examine source code of Tab Split Viewer

{
  "manifest_version": 2,
  "name": "Tab Split Viewer",
  "version": "1.0",
  "description": "Chia nội dung tab thành hai phần song song để so sánh.",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_title": "Split Tab View",
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "16": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc0c977e-c5d9-49d4-aedc-5d606b7a3fd1}"
    }
  }
}