Examine source code of Snooze Tabs

{
  "author": "Blake Winton <bwinton@latte.ca>",
  "version": "1.1.2resigned1",
  "homepage_url": "https://github.com/bwinton/SnoozeTabs#readme",
  "applications": {
    "gecko": {
      "id": "snoozetabs@mozilla.com"
    }
  },
  "manifest_version": 2,
  "name": "Snooze Tabs",
  "default_locale": "en_US",
  "description": "__MSG_extDesc__",
  "icons": {
    "48": "icons/bell_icon.svg"
  },
  "permissions": [
    "alarms",
    "bookmarks",
    "contextMenus",
    "notifications",
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "__MSG_popupTitle__",
    "default_popup": "popup/snooze.html",
    "default_icon": {
      "32": "icons/bell_icon.svg"
    }
  }
}