Examine source code of WebAssembly Display

{
  "manifest_version": 2,
  "name": "WebAssembly Display",
  "description": "Display loaded WebAssembly modules and their exported functions",
  "version": "1.1",
  "icons": {
    "64": "icons/WASM_64.png",
    "128": "icons/WASM_128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": "icons/WASM_64.png",
    "default_title": "WASM Display",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3fd42453-4238-4b7e-a1a0-e21c46e44d41}",
      "strict_min_version": "120.0"
    }
  }
}