Examine source code of Open from Clipboard

{
  "author": "igorlogius",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_area": "navbar"
  },
  "icons": {
    "128": "icon.png"
  },
  "manifest_version": 2,
  "name": "Open from Clipboard",
  "optional_permissions": [
    "clipboardRead"
  ],
  "version": "1.1.13",
  "browser_specific_settings": {
    "gecko": {
      "id": "{20124de7-5873-46a3-b1c6-644203861809}"
    }
  }
}