Remove backends.

compiler/java/com/google/dart/compiler/backend/js/NormalizedVisitor.java

Index: compiler/java/com/google/dart/compiler/backend/js/NormalizedVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/NormalizedVisitor.java b/compiler/java/com/google/dart/compiler/backend/js/NormalizedVisitor.java
deleted file mode 100644
index 9ca13af964727531c3e5936df53d8e54846c013f..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/NormalizedVisitor.java
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.google.dart.compiler.backend.js;
-
-import com.google.dart.compiler.ast.DartContext;
-import com.google.dart.compiler.ast.DartNode;
-import com.google.dart.compiler.ast.DartVisitable;
-import com.google.dart.compiler.ast.DartVisitor;
-
-/**
- * A visitor that always visits the normalized node.
- */
-class NormalizedVisitor extends DartVisitor {
-  @Override
-  protected void doTraverse(DartVisitable visitable, DartContext ctx) {
-    DartNode node = (DartNode) visitable;
-    super.doTraverse(node.getNormalizedNode(), ctx);
-  }
-}