https://codereview.chromium.org//23754012 resulted in some changes to the generated files but

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
===================================================================
--- sdk/lib/html/dartium/html_dartium.dart	(revision 27448)
+++ sdk/lib/html/dartium/html_dartium.dart	(working copy)
@@ -7456,10 +7456,11 @@
 
 @DocsEditable()
 /**
- * Represents an HTML <div> element.
+ * A generic container for content on an HTML page;
+ * corresponds to the &lt;div&gt; tag.
  *
- * The [DivElement] is a generic container for content and does not have any
- * special significance. It is functionally similar to [SpanElement].
+ * The [DivElement] is a generic container and does not have any semantic
+ * significance. It is functionally similar to [SpanElement].
  *
  * The [DivElement] is a block-level element, as opposed to [SpanElement],
  * which is an inline-level element.
@@ -34482,6 +34483,31 @@
 // BSD-style license that can be found in the LICENSE file.
 
 
+class _ConsoleVariables {
+  Map<String, Object> _data = new Map<String, Object>();
+  
+  /**
+   * Forward member accesses to the backing JavaScript object.
+   */
+  noSuchMethod(Invocation invocation) {
+    String member = MirrorSystem.getName(invocation.memberName);
+    if (invocation.isGetter) {
+      return _data[member];
+    } else if (invocation.isSetter) {
+      _data[member] = invocation.positionalArguments[0];
+    } else {
+      return Function.apply(_data[member], invocation.positionalArguments, invocation.namedArguments);
+    }
+  }
+  
+  void clear() => _data.clear();
+
+  /**
+   * List all variables currently defined.
+   */
+  List variables() => _data.keys.toList(growable: false);
+}
+
 class _Utils {
   static double dateTimeToDouble(DateTime dateTime) =>
       dateTime.millisecondsSinceEpoch.toDouble();
@@ -34580,7 +34606,42 @@
     return map;
   }
 
+  static _ConsoleVariables _consoleTempVariables = new _ConsoleVariables();
   /**
+   * Takes an [expression] and a list of [local] variable and returns an
+   * expression for a closure with a body matching the original expression
+   * where locals are passed in as arguments. Returns a list containing the
+   * String expression for the closure and the list of arguments that should
+   * be passed to it.
+   *
+   * For example:
+   * <code>wrapExpressionAsClosure("foo + bar", ["bar", 40, "foo", 2])</code>
+   * will return:
+   * <code>["(final $var, final bar, final foo) => foo + bar", [40, 2]]</code>
+   */
+  static List wrapExpressionAsClosure(String expression, List locals) {
+    var args = {};
+    var sb = new StringBuffer("(");
+    addArg(arg, value) {
+      arg = stripMemberName(arg);
+      if (args.containsKey(arg)) return;
+      if (args.isNotEmpty) {
+        sb.write(", ");
+      }
+      sb.write("final $arg");
+      args[arg] = value;
+    }
+    
+    addArg("\$var", _consoleTempVariables);
+    
+    for (int i = 0; i < locals.length; i+= 2) {
+      addArg(locals[i], locals[i+1]);
+    }
+    sb..write(')=>\n$expression'); 
+    return [sb.toString(), args.values.toList(growable: false)];
+  }
+
+  /**
    * Convenience helper to get the keys of a [Map] as a [List].
    */
   static List getMapKeyList(Map map) => map.keys.toList();