Change navigation regions generation for constructors.

pkg/analysis_server/lib/src/computer/computer_navigation.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 computer.navigation;
 
 import 'dart:collection';
 
 import 'package:analysis_server/src/protocol_server.dart' as protocol;
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 228 matching lines @@
     Element element = node.staticElement;
     if (element == null) {
       return;
     }
     // if a synthetic constructor, navigate to the class
     if (element.isSynthetic) {
       element = element.enclosingElement;
     }
     // add regions
     TypeName typeName = node.type;
+    computer._addRegionForNode(typeName.name, element);
+    // <TypeA, TypeB>
     TypeArgumentList typeArguments = typeName.typeArguments;
-    if (typeArguments == null) {
-      computer._addRegion_nodeStart_nodeEnd(parent, node, element);
-    } else {
-      computer._addRegion_nodeStart_nodeEnd(parent, typeName.name, element);
-      // <TypeA, TypeB>
+    if (typeArguments != null) {
       typeArguments.accept(this);
-      // optional ".name"
-      if (node.period != null) {
-        computer._addRegion_tokenStart_nodeEnd(node.period, node, element);
-      }
+    }
+    // optional "name"
+    if (node.name != null) {
+      computer._addRegionForNode(node.name, element);
     }
   }
 
   /**
    * If the source of the given [element] (referenced by the [node]) exists,
    * then add the navigation region from the [node] to the [element].
    */
   void _addUriDirectiveRegion(UriBasedDirective node, Element element) {
     if (element != null) {
       Source source = element.source;
       if (element.context.exists(source)) {
         computer._addRegion_tokenStart_nodeEnd(node.keyword, node.uri, element);
       }
     }
   }
 
   void _safelyVisit(AstNode node) {
     if (node != null) {
       node.accept(this);
     }
   }
 }