Combine window.setTimeout/setInterval with Timer and Timer.repeating. Also

samples/solar3d/web/solar.dart

Index: samples/solar3d/web/solar.dart
diff --git a/samples/solar3d/web/solar.dart b/samples/solar3d/web/solar.dart
index 1f828f9df20d0b047494a8830a1526508e5bcf43..ec47de6756bda977fa038b91290ee43f88b39758 100644
--- a/samples/solar3d/web/solar.dart
+++ b/samples/solar3d/web/solar.dart
@@ -60,7 +60,7 @@ class Solar3DApplication {
     skyBox = new Skybox(glContext);
     orbitPath = new OrbitPath(glContext);
     // Measure the canvas element.
-    window.setImmediate(() {
+    window.immediate.then((_) {
       canvas.width = (canvas.parent as Element).clientWidth;
       canvas.height = 400;