Examine source code of BugReplay

{
  "version": "4.0.17",
  "name": "BugReplay",
  "short_name": "BugReplay",
  "description": "Screencast and Network Debugging Tool",
  "background": {
    "page": "html/background-page.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "img/ic-16-blue.png",
      "48": "img/ic-48-blue.png"
    },
    "default_popup": "html/popup.html"
  },
  "icons": {
    "128": "img/ic-128-blue.png"
  },
  "manifest_version": 2,
  "permissions": [
    "<all_urls>",
    "activeTab",
    "alarms",
    "storage",
    "notifications",
    "tabs",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "cookies",
    "https://*.bugreplay.com/",
    "https://storage.googleapis.com/",
    "https://*.s3-accelerate.amazonaws.com/"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://app.bugreplay.com/static/html/firefox-extension-get-user-media-launcher.html*"
      ],
      "js": [
        "/bundled/background/recording/firefox-content-script.js"
      ]
    },
    {
      "matches": [
        "https://app.bugreplay.com/*"
      ],
      "js": [
        "/bundled/background/recording/firefox-detect-extension.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "/bundled/background/camera/detect.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "img/bugreplay-extension-check.gif",
    "html/camera.html",
    "bundled/background/camera/content.js",
    "css/content.css",
    "img/camera/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bugreplay-extension-ff-prod@bugreplay.com"
    }
  }
}