Remove backends.

compiler/java/com/google/dart/compiler/backend/js/ast/JsSwitchMember.java

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsSwitchMember.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsSwitchMember.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsSwitchMember.java
deleted file mode 100644
index 0a748f600787562241545e8576d02d5056826b4f..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsSwitchMember.java
+++ /dev/null
@@ -1,24 +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.ast;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * A member/case in a JavaScript switch object.
- */
-public abstract class JsSwitchMember extends JsNode {
-
-  protected final List<JsStatement> stmts = new ArrayList<JsStatement>();
-
-  protected JsSwitchMember() {
-    super();
-  }
-
-  public List<JsStatement> getStmts() {
-    return stmts;
-  }
-}