Examine source code of Vimeo Video Clipper

{
  "manifest_version": 2,
  "name": "Vimeo Video Clipper",
  "version": "1.0",
  "description": "Create custom clip links from Vimeo videos.",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_title": "Vimeo Clipper",
    "default_popup": "popup.html",
    "default_icon": "icons/icon.png"
  },
  "icons": {
    "48": "icons/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{773b0b95-d82c-43cd-9a36-f47e594e5853}"
    }
  }
}