Examine source code of Corporate Action Tracker

{
  "manifest_version": 2,
  "name": "Corporate Action Tracker",
  "version": "1.0.2",
  "description": "Track splits, tenders, dividends, mergers, acquisitions, spinoffs, rights issues from SEC and news sources.",
  "permissions": [
    "storage",
    "activeTab",
    "notifications",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d2d85cc5-20ec-42d6-bb5e-c8ae8bfbfef0}"
    }
  }
}