Fix argument names for handleIndexedExpression.

pkg/front_end/lib/src/fasta/kernel/body_builder.dart

 // Copyright (c) 2016, 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.
 
 library fasta.body_builder;
 
 import '../fasta_codes.dart'
     show
         FastaMessage,
         codeConstFieldWithoutInitializer,
@@ skipping 1877 matching lines @@
   }
 
   @override
   void handleNoExpression(Token token) {
     debugEvent("NoExpression");
     push(NullValue.Expression);
   }
 
   @override
   void handleIndexedExpression(
-      Token openCurlyBracket, Token closeCurlyBracket) {
+      Token openSquareBracket, Token closeSquareBracket) {
     debugEvent("IndexedExpression");
     Expression index = popForValue();
     var receiver = pop();
     if (receiver is ThisAccessor && receiver.isSuper) {
-      push(new SuperIndexAccessor(this, openCurlyBracket, index,
+      push(new SuperIndexAccessor(this, openSquareBracket, index,
           lookupSuperMember(indexGetName), lookupSuperMember(indexSetName)));
     } else {
       push(IndexAccessor.make(
-          this, openCurlyBracket, toValue(receiver), index, null, null));
+          this, openSquareBracket, toValue(receiver), index, null, null));
     }
   }
 
   @override
   void handleUnaryPrefixExpression(Token token) {
     debugEvent("UnaryPrefixExpression");
     var receiver = pop();
     if (optional("!", token)) {
       push(
           new KernelNot(toValue(receiver))..fileOffset = offsetForToken(token));
@@ skipping 1633 matching lines @@
     if (starToken == null) {
       return AsyncMarker.Async;
     } else {
       assert(identical(starToken.stringValue, "*"));
       return AsyncMarker.AsyncStar;
     }
   } else {
     return internalError("Unknown async modifier: $asyncToken");
   }
 }