Examine source code of Mouse Statistics

{
  "name": "Mouse Statistics",
  "version": "1.0.3resigned1",
  "description": "Tracks mouse events & key presses",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "*://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "all_frames": true,
      "js": [
        "scripts/adapters/chrome.js",
        "scripts/tracker.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "scripts/adapters/chrome.js",
      "scripts/background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "views/popup.html",
    "default_icon": {
      "16": "images/logo-16.png",
      "32": "images/logo-32.png",
      "48": "images/logo-48.png",
      "128": "images/logo-128.png",
      "256": "images/logo-256.png"
    }
  },
  "icons": {
    "16": "images/logo-16.png",
    "32": "images/logo-32.png",
    "48": "images/logo-48.png",
    "128": "images/logo-128.png",
    "256": "images/logo-256.png"
  },
  "chrome_url_overrides": {
    "newtab": "views/newtab.html"
  },
  "web_accessible_resources": [
    "images/*",
    "scripts/newtab.js"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0424ded-ba9d-4920-872a-d6b3deabd749}"
    }
  }
}