Examine source code of Porn/Malware Blocker

{
  "manifest_version": 2,
  "name": "Porn/Malware Blocker",
  "author": "Bill Hayden",
  "version": "1.5resigned1",
  "description": "Block known pornographic and malware domains",
  "icons": {
    "44": "icon44.png",
    "50": "icon50.png",
    "128": "icon.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "all_frames": true,
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "http://haydentech.com/*"
  ],
  "-ms-preload": {
    "backgroundScript": "backgroundScriptsAPIBridge.js",
    "contentScript": "contentScriptsAPIBridge.js"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3df17fe5-3cb9-4b09-a704-1140eca22dfd}"
    }
  }
}