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

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index aadc9eeb45bcbdab42820ff510ff06ceb881d66a..80875d2a4524485bb8e13092f1ffad4adba8b6dc 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -28992,21 +28992,28 @@ class WheelEvent extends MouseEvent {
 class Window extends EventTarget implements WindowBase {
 
   /**
-   * Executes a [callback] after the immediate execution stack has completed.
-   *
-   * This will cause the callback to be executed after all processing has
+   * Returns a Future that will complete when the immediate execution stack has
+   * completed. 
+   * 
+   * This differs from using Timer(const Duration(milliseconds: 0), callback)
+   * because Timer will run in about 4-15 milliseconds, depending on browser,
+   * depending on load. [immediate], in contrast, performs makes 
+   * browser-specific changes to attempt to run immediately after the current
+   * frame unwinds, causing the future to complete after all processing has
    * completed for the current event, but before any subsequent events.
    */
-  void setImmediate(TimeoutHandler callback) {
-    _addMicrotaskCallback(callback);
+  Future get immediate {
+    var completer = new Completer<int>();
+    _addMicrotaskCallback(() { completer.complete(); });
+    return completer.future;
   }
-
   /**
    * Lookup a port by its [name].  Return null if no port is
    * registered under [name].
    */
-  lookupPort(String name) {
-    var port = json.parse(document.documentElement.attributes['dart-port:$name']);
+  SendPortSync lookupPort(String name) {
+    var port =
+        json.parse(document.documentElement.attributes['dart-port:$name']);
     return _deserialize(port);
   }
 
@@ -29015,9 +29022,26 @@ class Window extends EventTarget implements WindowBase {
    * port may be retrieved by any isolate (or JavaScript script)
    * running in this window.
    */
-  registerPort(String name, var port) {
+  void registerPort(String name, var port) {
     var serialized = _serialize(port);
-    document.documentElement.attributes['dart-port:$name'] = json.stringify(serialized);
+    document.documentElement.attributes['dart-port:$name'] =
+        json.stringify(serialized);
+  }
+
+  /**
+   * Returns a Future that completes just before the window is about to repaint
+   * so the user can draw an animation frame
+   *
+   * If you need to later cancel this animation, use [requestAnimationFrame]
+   * instead.
+   *
+   * Note: The code that runs when the future completes should call 
+   * [animationFrame] again for the animation to continue.
+   */
+  Future<int> get animationFrame {
+    var completer = new Completer<int>();
+    requestAnimationFrame((scheduledTime) {completer.complete(scheduledTime);});
+    return completer.future;
   }
 
   /// Checks if _setImmediate is supported.
@@ -29350,14 +29374,6 @@ class Window extends EventTarget implements WindowBase {
   @DocsEditable
   void captureEvents() native "DOMWindow_captureEvents_Callback";
 
-  @DomName('DOMWindow.clearInterval')
-  @DocsEditable
-  void clearInterval(int handle) native "DOMWindow_clearInterval_Callback";
-
-  @DomName('DOMWindow.clearTimeout')
-  @DocsEditable
-  void clearTimeout(int handle) native "DOMWindow_clearTimeout_Callback";
-
   @DomName('DOMWindow.close')
   @DocsEditable
   void close() native "DOMWindow_close_Callback";
@@ -29449,14 +29465,6 @@ class Window extends EventTarget implements WindowBase {
   @DocsEditable
   void scrollTo(int x, int y) native "DOMWindow_scrollTo_Callback";
 
-  @DomName('DOMWindow.setInterval')
-  @DocsEditable
-  int setInterval(TimeoutHandler handler, int timeout) native "DOMWindow_setInterval_Callback";
-
-  @DomName('DOMWindow.setTimeout')
-  @DocsEditable
-  int setTimeout(TimeoutHandler handler, int timeout) native "DOMWindow_setTimeout_Callback";
-
   @DomName('DOMWindow.showModalDialog')
   @DocsEditable
   Object showModalDialog(String url, [Object dialogArgs, String featureArgs]) native "DOMWindow_showModalDialog_Callback";
@@ -35378,7 +35386,7 @@ class _MutationObserverScheduler extends _MicrotaskScheduler {
 }
 
 /**
- * Scheduler which uses window.setImmediate to schedule events.
+ * Scheduler which uses window.immediate to schedule events.
  */
 class _SetImmediateScheduler extends _MicrotaskScheduler {
   _SetImmediateScheduler(_MicrotaskCallback callback): super(callback);