Examine source code of Spector.js

{
  "manifest_version": 2,
  "minimum_chrome_version": "20",
  "name": "Spector.js",
  "version": "0.9.28",
  "homepage_url": "http://spector.babylonjs.com/",
  "description": "Explore and Troubleshoot your WebGL scenes easily.",
  "author": "@SpectorJS",
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "page_action": {
    "default_icon": {
      "19": "spectorjs-19.png",
      "38": "spectorjs-38.png"
    },
    "default_title": "Debug with Spector"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "file://*/*",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "spector.bundle.func.js",
        "contentScript.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "spector.bundle.js",
    "popup.js",
    "result.js"
  ],
  "icons": {
    "48": "spectorjs-48.png",
    "128": "spectorjs-128128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4320ca4c-7207-4109-a96c-792a1dac9339}"
    }
  }
}