Change navigation regions generation for constructors.

pkg/analysis_server/lib/src/computer/computer_navigation.dart

Index: pkg/analysis_server/lib/src/computer/computer_navigation.dart
diff --git a/pkg/analysis_server/lib/src/computer/computer_navigation.dart b/pkg/analysis_server/lib/src/computer/computer_navigation.dart
index 504bf407323b1315f48b1073cef074be82fb5989..14a47ec8194f8c7a639cdbd46ca7de2d02ad2e3b 100644
--- a/pkg/analysis_server/lib/src/computer/computer_navigation.dart
+++ b/pkg/analysis_server/lib/src/computer/computer_navigation.dart
@@ -246,17 +246,15 @@ class _DartUnitNavigationComputerVisitor extends RecursiveAstVisitor {
     }
     // 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);
     }
   }