Transitively include outlines of all public members of Class(es).

pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart

Index: pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart
index ea88a085c9cc5f62d146e48081f74084372e9abb..6da7ac38f2ef23b183a3c19270af8844c1e070df 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_outline_shaker.dart
@@ -100,10 +100,21 @@ class RetainedDataBuilder extends RetainedData {
     markLibrary(cls.parent);
     // TODO(sigmund): retain annotations?
     // visitList(cls.annotations, this);
+    cls.typeParameters.forEach((t) => t.bound.accept(typeMarker));
     markSupertype(cls.supertype);
     markSupertype(cls.mixedInType);
     cls.implementedTypes.forEach(markSupertype);
-    cls.typeParameters.forEach((t) => t.bound.accept(typeMarker));
+
+    for (var field in cls.fields) {
+      if (!field.isStatic && !field.name.isPrivate) {
+        markMember(field);
+      }
+    }
+    for (var method in cls.procedures) {
+      if (!method.isStatic && !method.name.isPrivate) {
+        markMember(method);
+      }
+    }
   }
 
   /// Mark the typedef.