Examine source code of Cyclops

{
  "manifest_version": 2,
  "name": "Cyclops",
  "version": "2.0.3",
  "description": "Stereogram webpage text.",
  "homepage_url": "https://github.com/valer-ix/cyclops-ff",
  "icons": {
    "48": "icons/eye-48.jpg",
    "96": "icons/eye-96.jpg"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "webNavigation",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Cyclops",
    "default_icon": "icons/eye-32.jpg",
    "default_popup": "popup/activate.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/cyclops.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background_scripts/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d494f1ff-8148-446b-b4af-78af408bb09a}"
    }
  }
}