Handle deferred access as pre-step in SemanticSendVisitor.

pkg/compiler/lib/src/resolved_visitor.dart

 // 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.
 
 part of dart2js;
 
 /// Enum for the visit methods added in [ResolvedVisitor].
 // TODO(johnniwinther): Remove this.
 enum ResolvedKind {
   ASSERT,
@@ skipping 371 matching lines @@
   R bulkHandleIndexSet(SendSet node, ResolvedKindVisitor<R> visitor) {
     return visitor.handleSendSet(node);
   }
 
   @override
   R bulkHandleNew(NewExpression node, ResolvedKindVisitor<R> visitor) {
     return visitor.handleNewExpression(node);
   }
 
   @override
+  void previsitDeferredAccess(
+      Send node,
+      PrefixElement prefix,
+      ResolvedKindVisitor<R> visitor) {
+  }
+
+  @override
   R errorInvalidAssert(
       Send node,
       NodeList arguments,
       ResolvedKindVisitor<R> visitor) {
     return visitor.visitAssertSend(node);
   }
 
   @override
   R visitLocalFunctionPostfix(
       Send node,
@@ skipping 407 matching lines @@
   @override
   R visitLocalFunctionIncompatibleInvoke(
       Send node,
       LocalFunctionElement function,
       NodeList arguments,
       CallStructure callStructure,
       ResolvedKindVisitor<R> visitor) {
     return visitor.visitClosureSend(node);
   }
 }