(TBR) Missing file from previous CL

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

Index: compiler/java/com/google/dart/compiler/ast/DartThrowExpression.java
===================================================================
--- compiler/java/com/google/dart/compiler/ast/DartThrowExpression.java	(revision 0)
+++ compiler/java/com/google/dart/compiler/ast/DartThrowExpression.java	(revision 0)
@@ -0,0 +1,31 @@
+// Copyright (c) 2012, 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 'throw' expression.
+ */
+public class DartThrowExpression extends DartExpression {
+
+  private DartExpression exception;
+
+  public DartThrowExpression(DartExpression exception) {
+    this.exception = becomeParentOf(exception);
+  }
+
+  public DartExpression getException() {
+    return exception;
+  }
+
+  @Override
+  public void visitChildren(ASTVisitor<?> visitor) {
+    safelyVisitChild(exception, visitor);
+  }
+
+  @Override
+  public <R> R accept(ASTVisitor<R> visitor) {
+    return visitor.visitThrowExpression(this);
+  }
+}