Fix inconsistency with LinkedReference.numTypeParameters

pkg/analyzer/lib/src/summary/summarize_elements.dart

 // Copyright (c) 2015, 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 serialization.elements;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/member.dart';
@@ skipping 1019 matching lines @@
       int index;
       LinkedReferenceBuilder linkedReference;
       if (linked) {
         linkedReference =
             new LinkedReferenceBuilder(kind: kind, unit: unit, name: name);
         if (enclosingElement != null &&
             enclosingElement is! CompilationUnitElement) {
           linkedReference.containingReference =
               _getElementReferenceId(enclosingElement, linked: linked);
           if (enclosingElement is ClassElement) {
-            linkedReference.numTypeParameters =
-                enclosingElement.typeParameters.length;
+            // Nothing to do.
           } else if (enclosingElement is ExecutableElement) {
             if (element is FunctionElement) {
               assert(enclosingElement.functions.contains(element));
               linkedReference.localIndex =
                   enclosingElement.functions.indexOf(element);
             } else if (element is LocalVariableElement) {
               assert(enclosingElement.localVariables.contains(element));
               linkedReference.localIndex =
                   enclosingElement.localVariables.indexOf(element);
             } else {
@@ skipping 376 matching lines @@
       exportNames.add(new LinkedExportNameBuilder(
           name: name,
           dependency: serializeDependency(dependentLibrary),
           unit: unit,
           kind: kind));
     }
     pb.exportNames = exportNames;
     return pb;
   }
 }