Attempt to fix build.

pkg/intl/lib/src/intl_message.dart

 // Copyright (c) 2013, 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.
 
 /**
  * This provides classes to represent the internal structure of the
  * arguments to `Intl.message`. It is used when parsing sources to extract
  * messages or to generate code for message substitution. Normal programs
  * using Intl would not import this library.
  *
@@ skipping 441 matching lines @@
    * The name of the main argument, which is expected to have the value
    * which is one of [attributeNames] and is used to decide which clause to use.
    */
   String mainArgument;
 
   /**
    * Return the arguments that affect this SubMessage as a map of
    * argument names and values.
    */
   Map argumentsOfInterestFor(MethodInvocation node) {
-    var basicArguments = node.argumentList.arguments.elements;
+    var basicArguments = node.argumentList.arguments;
     var others = basicArguments.where((each) => each is NamedExpression);
     return new Map.fromIterable(others,
         key: (node) => node.name.label.token.value(),
         value: (node) => node.expression);
   }
 
   /**
    * Return the list of attribute names to use when generating code. This
    *  may be different from [attributeNames] if there are multiple aliases
    *  that map to the same clause.
@@ skipping 163 matching lines @@
     var exact = cases[attributeName];
     return exact == null ? cases["other"] : exact;
   }
 
   /**
    * Return the arguments that we care about for the select. In this
    * case they will all be passed in as a Map rather than as the named
    * arguments used in Plural/Gender.
    */
   Map argumentsOfInterestFor(MethodInvocation node) {
-    var casesArgument = node.argumentList.arguments.elements[1];
+    var casesArgument = node.argumentList.arguments[1];
     return new Map.fromIterable(casesArgument.entries,
       key: (node) => node.key.value,
       value: (node) => node.value);
   }
 
   /**
    * Write out the generated representation of this message. This differs
    * from Plural/Gender in that it prints a literal map rather than
    * named arguments.
    */
   String toCode() {
     var out = new StringBuffer();
     out.write('\${');
     out.write(dartMessageName);
     out.write('(');
     out.write(mainArgument);
     var args = codeAttributeNames;
     out.write(", {");
     args.fold(out, (buffer, arg) => buffer..write(
         "'$arg': '${this[arg].toCode()}', "));
     out.write("})}");
     return out.toString();
   }
 }