Examine source code of PixlrAdblock

{
  "name": "PixlrAdblock",
  "description": "Bloque les pubs sur Pixlr E/X.",
  "version": "2.3.0",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "*://pixlr.com/*/editor/*"
      ],
      "js": [
        "index.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://pixlr.com/*/editor/*"
      ],
      "js": [
        "editLocalStorage.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "512": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{780a4158-7fec-4c13-8890-4d929dd8af03}"
    }
  }
}