fix top level getter suggestions

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 116 matching lines @@
     if (typesOnly) {
       return;
     }
     if (excludeVoidReturn && _isVoid(declaration.returnType)) {
       return;
     }
     bool isDeprecated = _isDeprecated(declaration);
     CompletionSuggestion suggestion =
         _addSuggestion(declaration.name, declaration.returnType, null, isDeprecated);
     if (suggestion != null) {
+      FormalParameterList param = declaration.functionExpression.parameters;
+      protocol.ElementKind kind;
+      if (declaration.isGetter) {
+        kind = protocol.ElementKind.GETTER;
+      } else if (declaration.isSetter) {
+        kind = protocol.ElementKind.SETTER;
+      } else {
+        kind = protocol.ElementKind.FUNCTION;
+      }
       suggestion.element = _createElement(
-          protocol.ElementKind.FUNCTION,
+          kind,
           declaration.name,
-          declaration.functionExpression.parameters.toSource(),
+          param != null ? param.toSource() : null,
           declaration.returnType,
           false,
           isDeprecated);
     }
   }
 
   @override
   void declaredFunctionTypeAlias(FunctionTypeAlias declaration) {
     bool isDeprecated = _isDeprecated(declaration);
     CompletionSuggestion suggestion =
@@ skipping 215 matching lines @@
     if (name == null || name.length <= 0) {
       return DYNAMIC;
     }
     TypeArgumentList typeArgs = type.typeArguments;
     if (typeArgs != null) {
       //TODO (danrubel) include type arguments
     }
     return name;
   }
 }