import directive suggestion fix

pkg/analysis_server/lib/src/services/completion/local_computer.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.computer.dart.local;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart' as protocol show Element,
     ElementKind;
@@ skipping 187 matching lines @@
     visitNode(node);
   }
 
   @override
   visitMethodDeclaration(MethodDeclaration node) {
     _addParamListSuggestions(node.parameters);
     visitNode(node);
   }
 
   @override
+  visitNamespaceDirective(NamespaceDirective node) {
+    // No suggestions
+  }
+
+  @override
   visitNode(AstNode node) {
     node.parent.accept(this);
   }
 
   @override
   visitPrefixedIdentifier(PrefixedIdentifier node) {
     // InvocationComputer adds suggestions for prefixed elements
     // but this computer adds suggestions for the prefix itself
     SimpleIdentifier prefix = node.prefix;
     if (prefix == null || request.offset <= prefix.end) {
@@ skipping 258 matching lines @@
     if (name == null || name.length <= 0) {
       return DYNAMIC;
     }
     TypeArgumentList typeArgs = type.typeArguments;
     if (typeArgs != null) {
       //TODO (danrubel) include type arguments
     }
     return name;
   }
 }