Removed compiler/ directory from repository

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

Index: dart/compiler/java/com/google/dart/compiler/ast/DartThisExpression.java
diff --git a/dart/compiler/java/com/google/dart/compiler/ast/DartThisExpression.java b/dart/compiler/java/com/google/dart/compiler/ast/DartThisExpression.java
deleted file mode 100644
index 07097bf39ec719ad075f61ce4c7fcc538475849f..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/ast/DartThisExpression.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 'this' expression.
- */
-public class DartThisExpression extends DartExpression {
-
-  public static DartThisExpression get() {
-    return new DartThisExpression();
-  }
-
-  private DartThisExpression() {
-  }
-
-  @Override
-  public void visitChildren(ASTVisitor<?> visitor) {
-  }
-
-  @Override
-  public <R> R accept(ASTVisitor<R> visitor) {
-    return visitor.visitThisExpression(this);
-  }
-}