Improve Dart Debugger performance and robustness by creating Dart wrappers using the standard SetNa…

LayoutTests/dart/inspector/scope-variables-expected.txt

Index: LayoutTests/dart/inspector/scope-variables-expected.txt
diff --git a/LayoutTests/dart/inspector/scope-variables-expected.txt b/LayoutTests/dart/inspector/scope-variables-expected.txt
index d3530d65ac328be1f864cd99950cf997b8145c37..4be9841347e862867ff6a12c6df6a12dae3d4360 100644
--- a/LayoutTests/dart/inspector/scope-variables-expected.txt
+++ b/LayoutTests/dart/inspector/scope-variables-expected.txt
@@ -1,3 +1,4 @@
+Example div
 Debugger was enabled.
 
 Running: testScopeChain
@@ -15,17 +16,22 @@ Local
     d: 1.618
     event: MessageEvent
     i: 42
-    l: Array[3]
+    l: List
     this: undefined
-ObjectGlobal
-    A: A [Dart Class]
-    core: Object
+[Dart Library]Global
+    A: A
+    core: [Dart Library]
+    exampleDivGetter: DivElement
+    globalArrayVariable: List
+    globalMapVariable: LinkedHashMap
     globalVariable: "globalString"
-    handleMessage: function invoke()
-    handleMessage2: function invoke()
-    html: Object
-    main: function invoke()
-    throwingGetter: "<Exception thrown>"
+    handleMessage: [Dart Function]
+    handleMessage2: [Dart Function]
+    html: [Dart Library]
+    main: [Dart Function]
+    throwingGetter: [Exception: Unhandled exception:
+only the best reviews
+#0      throwingGetter (SOURCE_LOCATION)]
 Inspected value toString(): [Instance of A, d = 3.14]
 Script execution resumed.
 Debugger was disabled.