Examine source code of Access Schoology quickly

{
  "manifest_version": 2,
  "name": "Schoology Web Companion",
  "version": "1.0",
  "description": "Access Schoology quickly, save notes, and copy assignment titles.",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "Schoology Companion",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f087ce1c-79eb-4ceb-9bbd-f8403d8ebe3b}"
    }
  }
}