Automagically change the meaning of 'next' to 'async-next' when paused at an async function at awai…

runtime/observatory/lib/src/service/object.dart

Index: runtime/observatory/lib/src/service/object.dart
diff --git a/runtime/observatory/lib/src/service/object.dart b/runtime/observatory/lib/src/service/object.dart
index 68e696e3ae8f8e832951388411705c529ce317f3..0426b5d96dc635824505ed2156633436c757d300 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -1722,6 +1722,7 @@ class ServiceEvent extends ServiceObject {
   @observable Frame topFrame;
   @observable Instance exception;
   @observable Instance asyncContinuation;
+  @observable bool atAsyncJump;
   @observable ServiceObject inspectee;
   @observable ByteData data;
   @observable int count;
@@ -1764,6 +1765,9 @@ class ServiceEvent extends ServiceObject {
     }
     if (map['_asyncContinuation'] != null) {
       asyncContinuation = map['_asyncContinuation'];
+      atAsyncJump = map['_atAsyncJump'];
+    } else {
+      atAsyncJump = false;
     }
     if (map['inspectee'] != null) {
       inspectee = map['inspectee'];
@@ -3643,7 +3647,7 @@ class Frame extends ServiceObject {
     this.variables = map['vars'];
   }
 
-  String toString() => "Frame(${function.qualifiedName})";
+  String toString() => "Frame(${function.qualifiedName} $location)";
 }