rename completion computer to contributor

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;
+library services.completion.contributor.dart.local;
 
 import 'dart:async';
 
 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/local_declaration_visitor.dart';
 import 'package:analysis_server/src/services/completion/optype.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 54 matching lines @@
     return _DYNAMIC;
   }
   TypeArgumentList typeArgs = type.typeArguments;
   if (typeArgs != null) {
     //TODO (danrubel) include type arguments
   }
   return name;
 }
 
 /**
- * A computer for calculating `completion.getSuggestions` request results
+ * A contributor for calculating `completion.getSuggestions` request results
  * for the local library in which the completion is requested.
  */
-class LocalComputer extends DartCompletionComputer {
+class LocalReferenceContributor extends DartCompletionContributor {
   @override
   bool computeFast(DartCompletionRequest request) {
     OpType optype = request.optype;
 
     // Collect suggestions from the specific child [AstNode] that contains
     // the completion offset and all of its parents recursively.
     if (optype.includeReturnValueSuggestions ||
         optype.includeTypeNameSuggestions ||
         optype.includeVoidReturnSuggestions) {
       _LocalVisitor localVisitor =
@@ skipping 597 matching lines @@
   bool _isVoid(TypeName returnType) {
     if (returnType != null) {
       Identifier id = returnType.name;
       if (id != null && id.name == 'void') {
         return true;
       }
     }
     return false;
   }
 }