Make html lists print a nice toString method.

sdk/lib/svg/dart2js/svg_dart2js.dart

 library dart.dom.svg;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:_js_helper' show Creates, Returns, JavaScriptIndexingBehavior, JSName;
 import 'dart:_foreign_helper' show JS;
 // DO NOT EDIT - unless you are editing documentation as per:
 // https://code.google.com/p/dart/wiki/ContributingHTMLDocumentation
@@ skipping 3224 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Length>[]);
   }
 
   List<Length> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, Length> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<Length> mixins.
 
   @DomName('SVGLengthList.appendItem')
   @DocsEditable
   Length appendItem(Length item) native;
 
   @DomName('SVGLengthList.clear')
   @DocsEditable
   void clear() native;
 
@@ skipping 618 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Number>[]);
   }
 
   List<Number> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, Number> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<Number> mixins.
 
   @DomName('SVGNumberList.appendItem')
   @DocsEditable
   Number appendItem(Number item) native;
 
   @DomName('SVGNumberList.clear')
   @DocsEditable
   void clear() native;
 
@@ skipping 894 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <PathSeg>[]);
   }
 
   List<PathSeg> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, PathSeg> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<PathSeg> mixins.
 
   @DomName('SVGPathSegList.appendItem')
   @DocsEditable
   PathSeg appendItem(PathSeg newItem) native;
 
   @DomName('SVGPathSegList.clear')
   @DocsEditable
   void clear() native;
 
@@ skipping 879 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <String>[]);
   }
 
   List<String> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, String> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<String> mixins.
 
   @DomName('SVGStringList.appendItem')
   @DocsEditable
   String appendItem(String item) native;
 
   @DomName('SVGStringList.clear')
   @DocsEditable
   void clear() native;
 
@@ skipping 1156 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Transform>[]);
   }
 
   List<Transform> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, Transform> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<Transform> mixins.
 
   @DomName('SVGTransformList.appendItem')
   @DocsEditable
   Transform appendItem(Transform item) native;
 
   @DomName('SVGTransformList.clear')
   @DocsEditable
   void clear() native;
 
@@ skipping 513 matching lines @@
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <ElementInstance>[]);
   }
 
   List<ElementInstance> getRange(int start, int rangeLength) =>
       sublist(start, start + rangeLength);
 
   Map<int, ElementInstance> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
+  String toString() {
+    StringBuffer buffer = new StringBuffer('[');
+    buffer.writeAll(this, ', ');
+    buffer.write(']');
+    return buffer.toString();
+  }
+
   // -- end List<ElementInstance> mixins.
 
   @DomName('SVGElementInstanceList.item')
   @DocsEditable
   ElementInstance item(int index) native;
 }
 // Copyright (c) 2012, 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.
 
@@ skipping 398 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGVKernElement')
 class _SVGVKernElement extends SvgElement native "*SVGVKernElement" {
 
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
 }