Issue 3268. Support for replacing 'assert' statement with 'assert' function

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

Index: compiler/java/com/google/dart/compiler/ast/DartAssertion.java
diff --git a/compiler/java/com/google/dart/compiler/ast/DartAssertion.java b/compiler/java/com/google/dart/compiler/ast/DartAssertion.java
deleted file mode 100644
index bd030b92bfad04dffdcade607fd71826935adb72..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/ast/DartAssertion.java
+++ /dev/null
@@ -1,34 +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;
-
-/**
- * Implements the "assert" statement.
- */
-public class DartAssertion extends DartStatement {
-  private DartExpression expression;
-
-  public DartAssertion(DartExpression expression) {
-    this.expression = becomeParentOf(expression);
-  }
-
-  public void setExpression(DartExpression expression) {
-    this.expression = expression;
-  }
-
-  public DartExpression getExpression() {
-    return expression;
-  }
-
-  @Override
-  public void visitChildren(ASTVisitor<?> visitor) {
-    expression.accept(visitor);
-  }
-
-  @Override
-  public <R> R accept(ASTVisitor<R> visitor) {
-    return visitor.visitAssertion(this);
-  }
-}