Remove backends.

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

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsPropertyInitializer.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsPropertyInitializer.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsPropertyInitializer.java
deleted file mode 100644
index d68d8d01af4239ff7ac4e5d8eff4ab2cab2675a7..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsPropertyInitializer.java
+++ /dev/null
@@ -1,56 +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;
-
-/**
- * Used in object literals to specify property values by name.
- */
-public class JsPropertyInitializer extends JsNode {
-
-  private JsExpression labelExpr;
-  private JsExpression valueExpr;
-
-  public JsPropertyInitializer() {
-  }
-
-  public JsPropertyInitializer(JsExpression labelExpr, JsExpression valueExpr) {
-    this.labelExpr = labelExpr;
-    this.valueExpr = valueExpr;
-  }
-
-  public JsExpression getLabelExpr() {
-    return labelExpr;
-  }
-
-  public JsExpression getValueExpr() {
-    return valueExpr;
-  }
-
-  public boolean hasSideEffects() {
-    return labelExpr.hasSideEffects() || valueExpr.hasSideEffects();
-  }
-
-  public void setLabelExpr(JsExpression labelExpr) {
-    this.labelExpr = labelExpr;
-  }
-
-  public void setValueExpr(JsExpression valueExpr) {
-    this.valueExpr = valueExpr;
-  }
-
-  @Override
-  public void traverse(JsVisitor v, JsContext ctx) {
-    if (v.visit(this, ctx)) {
-      labelExpr = v.accept(labelExpr);
-      valueExpr = v.accept(valueExpr);
-    }
-    v.endVisit(this, ctx);
-  }
-
-  @Override
-  public NodeKind getKind() {
-    return NodeKind.PROPERTY_INIT;
-  }
-}