Quick Fix for returning Future from 'async' functions.

pkg/analysis_server/lib/src/services/correction/fix.dart

Index: pkg/analysis_server/lib/src/services/correction/fix.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix.dart b/pkg/analysis_server/lib/src/services/correction/fix.dart
index 0bca27d38ecfe0fb01ae103ad10dc306c06de4a7..165108c7078ec06615fce4f6672b3994311ce55c 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix.dart
@@ -102,6 +102,9 @@ class FixKind {
       const FixKind('REPLACE_IMPORT_URI', 50, "Replace with '{0}'");
   static const REPLACE_VAR_WITH_DYNAMIC = const FixKind(
       'REPLACE_VAR_WITH_DYNAMIC', 50, "Replace 'var' with 'dynamic'");
+  static const REPLACE_RETURN_TYPE_FUTURE = const FixKind(
+      'REPLACE_RETURN_TYPE_FUTURE', 50,
+      "Return 'Future' from 'async' function");
   static const USE_CONST = const FixKind('USE_CONST', 50, "Change to constant");
   static const USE_EFFECTIVE_INTEGER_DIVISION = const FixKind(
       'USE_EFFECTIVE_INTEGER_DIVISION', 50,