cleanup visitInheritedTypes signature

pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.dart

 // Copyright (c) 2014, 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 services.completion.dart.local.declaration.visitor;
 
 import 'package:analysis_server/src/services/completion/suggestion_builder.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 
@@ skipping 92 matching lines @@
     param = node.stackTraceParameter;
     if (param != null) {
       declaredParam(param, STACKTRACE_TYPE);
     }
     visitNode(node);
   }
 
   @override
   void visitClassDeclaration(ClassDeclaration node) {
     _visitClassDeclarationMembers(node);
-    visitInheritedTypes(node, (ClassDeclaration classNode) {
+    // imported types are handled by the imported reference contributor
+    visitInheritedTypes(node, localDeclaration: (ClassDeclaration classNode) {
       _visitClassDeclarationMembers(classNode);
-    }, (String typeName) {
-      // ignored
     });
     visitNode(node);
   }
 
   @override
   void visitCompilationUnit(CompilationUnit node) {
     node.declarations.forEach((Declaration declaration) {
       if (declaration is ClassDeclaration) {
         declaredClass(declaration);
       } else if (declaration is EnumDeclaration) {
@@ skipping 134 matching lines @@
       });
     }
   }
 }
 
 /**
  * Internal exception used to indicate that [LocalDeclarationVisitor]
  * should stop visiting.
  */
 class _LocalDeclarationVisitorFinished {}