Fix for implicit constructor invocation navigation regions.

pkg/analysis_server/lib/src/computers.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 computers;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/source.dart';
@@ skipping 655 matching lines @@
   }
 
   @override
   visitIndexExpression(IndexExpression node) {
     computer._addRegionForToken(node.rightBracket, node.bestElement);
     return super.visitIndexExpression(node);
   }
 
   @override
   visitInstanceCreationExpression(InstanceCreationExpression node) {
-    computer._addRegion_nodeStart_nodeStart(node, node.argumentList, node.staticElement);
+    Element element = node.staticElement;
+    if (element != null && element.isSynthetic) {
+      element = element.enclosingElement;
+    }
+    computer._addRegion_nodeStart_nodeStart(node, node.argumentList, element);
     return super.visitInstanceCreationExpression(node);
   }
 
   @override
   visitPartDirective(PartDirective node) {
     computer._addRegion_tokenStart_nodeEnd(node.keyword, node.uri, node.element);
     return super.visitPartDirective(node);
   }
 
   @override
@@ skipping 16 matching lines @@
 
   @override
   visitSimpleIdentifier(SimpleIdentifier node) {
     if (node.parent is ConstructorDeclaration) {
     } else {
       computer._addRegionForNode(node, node.bestElement);
     }
     return super.visitSimpleIdentifier(node);
   }
 }