add element to completion suggestions

pkg/analysis_server/lib/src/services/completion/imported_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.toplevel;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/protocol.dart' hide Element;
+import 'package:analysis_server/src/protocol.dart' as protocol show Element, ElementKind;
+import 'package:analysis_server/src/protocol.dart' hide Element, ElementKind;
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
 import 'package:analysis_server/src/services/completion/suggestion_builder.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 
 /**
  * A computer for calculating imported class and top level variable
  * `completion.getSuggestions` request results.
  */
@@ skipping 134 matching lines @@
 
               CompletionSuggestion suggestion = new CompletionSuggestion(
                   kind,
                   relevance,
                   completion,
                   completion.length,
                   0,
                   element.isDeprecated,
                   false);
 
+              suggestion.element = new protocol.Element.fromEngine(element);
+
               DartType type;
               if (element is TopLevelVariableElement) {
                 type = element.type;
               } else if (element is FunctionElement) {
                 type = element.returnType;
               }
               if (type != null) {
                 String name = type.displayName;
                 if (name != null && name.length > 0 && name != 'dynamic') {
                   suggestion.returnType = name;
                 }
               }
 
               request.suggestions.add(suggestion);
             }
           }
         }
       });
       return true;
     });
   }
 }