Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/ast/DartNullLiteral.java

Index: dart/compiler/java/com/google/dart/compiler/ast/DartNullLiteral.java
diff --git a/dart/compiler/java/com/google/dart/compiler/ast/DartNullLiteral.java b/dart/compiler/java/com/google/dart/compiler/ast/DartNullLiteral.java
deleted file mode 100644
index 0a6486b0637f20393b9a603db1898a302af8b0bb..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/ast/DartNullLiteral.java
+++ /dev/null
@@ -1,27 +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.ast;
-
-/**
- * Represents a Dart 'null' literal value.
- */
-public class DartNullLiteral extends DartLiteral {
-
-  public static DartNullLiteral get() {
-    return new DartNullLiteral();
-  }
-
-  private DartNullLiteral() {
-  }
-
-  @Override
-  public void visitChildren(ASTVisitor<?> visitor) {
-  }
-
-  @Override
-  public <R> R accept(ASTVisitor<R> visitor) {
-    return visitor.visitNullLiteral(this);
-  }
-}