Remove backends.

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

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsNew.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsNew.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsNew.java
deleted file mode 100644
index 19b6f5d6c90d6043edd843308e933a75ea50ac88..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsNew.java
+++ /dev/null
@@ -1,61 +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;
-
-/**
- * Represents the JavaScript new expression.
- */
-public final class JsNew extends JsExpression implements HasArguments {
-
-  private final List<JsExpression> args = new ArrayList<JsExpression>();
-  private JsExpression ctorExpr;
-
-  public JsNew(JsExpression ctorExpr) {
-    this.ctorExpr = ctorExpr;
-  }
-
-  @Override
-  public List<JsExpression> getArguments() {
-    return args;
-  }
-
-  public JsExpression getConstructorExpression() {
-    return ctorExpr;
-  }
-
-  @Override
-  public boolean hasSideEffects() {
-    return true;
-  }
-
-  @Override
-  public boolean isDefinitelyNotNull() {
-    // Sadly, in JS it can be!
-    // TODO: analysis could probably determine most instances cannot be null.
-    return false;
-  }
-
-  @Override
-  public boolean isDefinitelyNull() {
-    return false;
-  }
-
-  @Override
-  public void traverse(JsVisitor v, JsContext ctx) {
-    if (v.visit(this, ctx)) {
-      ctorExpr = v.accept(ctorExpr);
-      v.acceptList(args);
-    }
-    v.endVisit(this, ctx);
-  }
-
-  @Override
-  public NodeKind getKind() {
-    return NodeKind.NEW;
-  }
-}