Revert "Wrote functions to convert collections and maps to strings and invoked"

runtime/lib/arrays.dart

Index: runtime/lib/arrays.dart
diff --git a/runtime/lib/arrays.dart b/runtime/lib/arrays.dart
index 012a9e82a1b72962884a09e63000d0b6ca059130..65d87c6f39405a0387e56ee90346edf6b46595a5 100644
--- a/runtime/lib/arrays.dart
+++ b/runtime/lib/arrays.dart
@@ -1,9 +1,21 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // TODO(ngeoffray): Rename to Lists.
 class Arrays {
+
+  static String asString(List list) {
+    String result = "[";
+    int len = list.length;
+    for (int i = 0; i < len; i++) {
+      // TODO(4466785): Deal with recursion and formatting.
+      result += list[i].toString() + ", ";
+    }
+    result += "]";
+    return result;
+  }
+
   static void copy(List src, int srcStart,
                    List dst, int dstStart, int count) {
     if (srcStart === null) srcStart = 0;