Examine source code of Sourcegraph for Firefox

{
  "version": "23.4.14.1343",
  "name": "Sourcegraph",
  "manifest_version": 2,
  "description": "Adds code intelligence to GitHub, GitLab, and other hosts: hovers, definitions, references. For 20+ languages.",
  "browser_action": {
    "default_title": "Sourcegraph",
    "default_icon": {
      "32": "img/icon-32.png",
      "48": "img/icon-48.png",
      "128": "img/icon-128.png"
    }
  },
  "icons": {
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "background": {
    "scripts": [
      "js/background.bundle.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "optional_permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": "script-src 'self' blob:; object-src 'self'",
  "web_accessible_resources": [
    "img/*",
    "css/*",
    "extensions/*"
  ],
  "omnibox": {
    "keyword": "src"
  },
  "applications": {
    "gecko": {
      "id": "sourcegraph-for-firefox@sourcegraph.com"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "https://github.com/*",
    "https://sourcegraph.com/*",
    "<all_urls>"
  ]
}