LayoutTests/inspector/page/resources/search-worker.js - WebKit - Git at Google

 // Worker resource with the SEARCH-STRING.

 self.addEventListener("message", (event) => {
     self.postMessage("echo: " + event.data);
 });
	// Worker resource with the SEARCH-STRING.

	self.addEventListener("message", (event) => {
	self.postMessage("echo: " + event.data);
	});