Dart.idl cleanup

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 b91290379350d2d215abcc8879d4b2337df1487b..c926a72d391feee5eaba39ae8220a41e22680448 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -2541,10 +2541,6 @@ class CssStyleDeclaration extends NativeFieldWrapperClass1 {
   @DocsEditable
   CssRule get parentRule native "CSSStyleDeclaration_parentRule_Getter";
 
-  @DomName('CSSStyleDeclaration._getPropertyValue')
-  @DocsEditable
-  String _getPropertyValue(String propertyName) native "CSSStyleDeclaration__getPropertyValue_Callback";
-
   @DomName('CSSStyleDeclaration.getPropertyPriority')
   @DocsEditable
   String getPropertyPriority(String propertyName) native "CSSStyleDeclaration_getPropertyPriority_Callback";
@@ -2553,6 +2549,10 @@ class CssStyleDeclaration extends NativeFieldWrapperClass1 {
   @DocsEditable
   String getPropertyShorthand(String propertyName) native "CSSStyleDeclaration_getPropertyShorthand_Callback";
 
+  @DomName('CSSStyleDeclaration.getPropertyValue')
+  @DocsEditable
+  String _getPropertyValue(String propertyName) native "CSSStyleDeclaration_getPropertyValue_Callback";
+
   @DomName('CSSStyleDeclaration.isPropertyImplicit')
   @DocsEditable
   bool isPropertyImplicit(String propertyName) native "CSSStyleDeclaration_isPropertyImplicit_Callback";
@@ -2567,7 +2567,7 @@ class CssStyleDeclaration extends NativeFieldWrapperClass1 {
 
   @DomName('CSSStyleDeclaration.setProperty')
   @DocsEditable
-  void setProperty(String propertyName, String value, [String priority]) native "CSSStyleDeclaration_setProperty_Callback";
+  void setProperty(String propertyName, String value, String priority) native "CSSStyleDeclaration_setProperty_Callback";
 
 
   String getPropertyValue(String propertyName) {
@@ -14776,14 +14776,14 @@ class MutationObserver extends NativeFieldWrapperClass1 {
   @DocsEditable
   static MutationObserver _create(callback) native "MutationObserver_constructorCallback";
 
-  @DomName('MutationObserver._observe')
-  @DocsEditable
-  void _observe(Node target, Map options) native "MutationObserver__observe_Callback";
-
   @DomName('MutationObserver.disconnect')
   @DocsEditable
   void disconnect() native "MutationObserver_disconnect_Callback";
 
+  @DomName('MutationObserver.observe')
+  @DocsEditable
+  void _observe(Node target, Map options) native "MutationObserver_observe_Callback";
+
   @DomName('MutationObserver.takeRecords')
   @DocsEditable
   List<MutationRecord> takeRecords() native "MutationObserver_takeRecords_Callback";
@@ -27012,7 +27012,7 @@ class _VariableSizeListIterator<T> implements Iterator<T> {
 
 
 _makeSendPortFuture(spawnRequest) {
-  final completer = new Completer<SendPort>();
+  final completer = new Completer<SendPort>.sync();
   final port = new ReceivePort();
   port.receive((result, _) {
     completer.complete(result);