Remove backends.

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

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsConditional.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsConditional.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsConditional.java
deleted file mode 100644
index b1171bac2c05a2ce3d5717ca20df3e62c43f1580..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsConditional.java
+++ /dev/null
@@ -1,78 +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;
-
-/**
- * Represents a JavaScript conditional expression.
- */
-public final class JsConditional extends JsExpression {
-
-  private JsExpression elseExpr;
-  private JsExpression testExpr;
-  private JsExpression thenExpr;
-
-  public JsConditional() {
-  }
-
-  public JsConditional(JsExpression testExpr, JsExpression thenExpr, JsExpression elseExpr) {
-    this.testExpr = testExpr;
-    this.thenExpr = thenExpr;
-    this.elseExpr = elseExpr;
-  }
-
-  public JsExpression getElseExpression() {
-    return elseExpr;
-  }
-
-  public JsExpression getTestExpression() {
-    return testExpr;
-  }
-
-  public JsExpression getThenExpression() {
-    return thenExpr;
-  }
-
-  @Override
-  public boolean hasSideEffects() {
-    return testExpr.hasSideEffects() || thenExpr.hasSideEffects() || elseExpr.hasSideEffects();
-  }
-
-  @Override
-  public boolean isDefinitelyNotNull() {
-    return thenExpr.isDefinitelyNotNull() && elseExpr.isDefinitelyNotNull();
-  }
-
-  @Override
-  public boolean isDefinitelyNull() {
-    return thenExpr.isDefinitelyNull() && elseExpr.isDefinitelyNull();
-  }
-
-  public void setElseExpression(JsExpression elseExpr) {
-    this.elseExpr = elseExpr;
-  }
-
-  public void setTestExpression(JsExpression testExpr) {
-    this.testExpr = testExpr;
-  }
-
-  public void setThenExpression(JsExpression thenExpr) {
-    this.thenExpr = thenExpr;
-  }
-
-  @Override
-  public void traverse(JsVisitor v, JsContext ctx) {
-    if (v.visit(this, ctx)) {
-      testExpr = v.accept(testExpr);
-      thenExpr = v.accept(thenExpr);
-      elseExpr = v.accept(elseExpr);
-    }
-    v.endVisit(this, ctx);
-  }
-
-  @Override
-  public NodeKind getKind() {
-    return NodeKind.CONDITIONAL;
-  }
-}