Tools/TestWebKitAPI/Tests/WebKitCocoa/LocalStorageClear.html - WebKit - Git at Google

 <script>

 window.localStorage.foo = "bar";
 window.webkit.messageHandlers.testHandler.postMessage('Go ahead and clear it');

 </script>
	<script>

	window.localStorage.foo = "bar";
	window.webkit.messageHandlers.testHandler.postMessage('Go ahead and clear it');

	</script>