src/vs/editor/browser/services/editorWorkerService.ts/EditorWorkerClient/_getProxy
class EditorWorkerClient:	protected _getProxy(): Promise<EditorSimpleWorker> {
		return this._getOrCreateWorker().getProxyObject().then(undefined, (err) => {
			logOnceWebWorkerWarning(err);
			this._worker = new SynchronousWorkerClient(new EditorSimpleWorker(new EditorWorkerHost(this), null));
			return this._getOrCreateWorker().getProxyObject();
		});
	}