Make core libraries use generic method syntax.

sdk/lib/async/async_error.dart

Index: sdk/lib/async/async_error.dart
diff --git a/sdk/lib/async/async_error.dart b/sdk/lib/async/async_error.dart
index 2f3419e164fe023f4e844adfd3c0a9ec64bb420a..62996c314e2ad8ec2eaf633c5d9bbff70d8fce57 100644
--- a/sdk/lib/async/async_error.dart
+++ b/sdk/lib/async/async_error.dart
@@ -14,12 +14,12 @@ _invokeErrorHandler(Function errorHandler,
   }
 }
 
-Function _registerErrorHandler/*<R>*/(Function errorHandler, Zone zone) {
+Function _registerErrorHandler<R>(Function errorHandler, Zone zone) {
   if (errorHandler is ZoneBinaryCallback) {
-    return zone.registerBinaryCallback/*<R, dynamic, StackTrace>*/(
+    return zone.registerBinaryCallback<R, dynamic, StackTrace>(
         errorHandler as dynamic/*=ZoneBinaryCallback<R, dynamic, StackTrace>*/);
   } else {
-    return zone.registerUnaryCallback/*<R, dynamic>*/(
+    return zone.registerUnaryCallback<R, dynamic>(
         errorHandler as dynamic/*=ZoneUnaryCallback<R, dynamic>*/);
   }
 }