third_party/devtools/front_end/worker_main/module.json

{
    "extensions": [
        {
            "type": "early-initialization",
            "className": "WorkerMain.WorkerMain"
        }
    ],
    "dependencies": [
        "components",
        "mobile_throttling"
    ],
    "scripts": [
        "WorkerMain.js"
    ]
}