remove setTimeout call when signalling readyness cos it was neccessary for absolute layouting

src/vs/workbench/parts/html/browser/htmlPreviewPart.ts

@@ -75,8 +75,10 @@ class ManagedWebview {
 		this._ready = new TPromise<this>(resolve => {
 			const subscription = addDisposableListener(this._webview, 'ipc-message', (event) => {
 				if (event.channel === 'webview-ready') {
+
 					// console.info('[PID Webview] ' + event.args[0]);
-					addClass(this._webview, 'ready');
+					addClass(this._webview, 'ready'); // can be found by debug command
+
 					subscription.dispose();
 					resolve(this);
 				}

src/vs/workbench/parts/html/browser/webview.html

@@ -84,12 +84,8 @@
 			ipcRenderer.sendToHost(command, data);
 		};
 
-		// signal ready, needs a short timeout for an
-		// unknown reason
-		setTimeout(function() {
-			ipcRenderer.sendToHost('webview-ready', process.pid);
-		}, 10);
-
+		// signal ready
+		ipcRenderer.sendToHost('webview-ready', process.pid);
 	</script>
 </body>
 </html>