Code completion progress part two of fix to https://github.com/dart-lang/sdk/issues/24254, addition…

pkg/analysis_server/lib/src/services/completion/dart/optype.dart

Index: pkg/analysis_server/lib/src/services/completion/dart/optype.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/dart/optype.dart b/pkg/analysis_server/lib/src/services/completion/dart/optype.dart
index ffbbcdb5a43f8443e7e3b4b7a4f5d2fc48d4f711..e8cc82d7ceba25822c5dc0339a2c909078144abb 100644
--- a/pkg/analysis_server/lib/src/services/completion/dart/optype.dart
+++ b/pkg/analysis_server/lib/src/services/completion/dart/optype.dart
@@ -817,6 +817,16 @@ class _OpTypeAstVisitor extends GeneralizingAstVisitor {
   }
 
   @override
+  void visitTopLevelVariableDeclaration(TopLevelVariableDeclaration node) {
+   if (entity is Token) {
+     Token token = entity;
+     if (token.isSynthetic || token.lexeme == ';') {
+       optype.includeVarNameSuggestions = true;
+     }
+   }
+  }
+
+  @override
   void visitVariableDeclarationStatement(VariableDeclarationStatement node) {}
 
   @override