Examine source code of Storsa

{
  "manifest_version": 2,
  "name": "save-to-storsa-app",
  "description": "The official web extension for the Storsa.app bookmarking service",
  "version": "0.5.0",
  "icons": {
    "16": "icon/16.png",
    "19": "icon/19.png",
    "32": "icon/32.png",
    "38": "icon/38.png",
    "48": "icon/48.png",
    "64": "icon/64.png",
    "96": "icon/96.png",
    "128": "icon/128.png",
    "256": "icon/256.png",
    "512": "icon/512.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Default Popup Title",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fb1aeebe-ad9e-4da7-984e-9ef2802643d2}"
    }
  }
}