Implement type inference for super initializers.

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

Index: pkg/front_end/lib/src/fasta/kernel/body_builder.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/body_builder.dart b/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
index 3995801f29214112433ed7ae4f602ae9c55cace6..97483bd4a289d0e23fc01def48e5b4d871a33ef9 100644
--- a/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
@@ -3204,7 +3204,7 @@ class BodyBuilder extends ScopeListener<JumpTarget> implements BuilderHelper {
           charOffset);
     }
     needsImplicitSuperInitializer = false;
-    return new SuperInitializer(constructor, arguments)
+    return new KernelSuperInitializer(constructor, arguments)
       ..fileOffset = charOffset
       ..isSynthetic = isSynthetic;
   }