Add FunctionElement.isEntryPoint getter.

pkg/analyzer/lib/src/generated/element_handle.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.element_handle;
 
 import 'ast.dart';
@@ skipping 592 matching lines @@
    * Initialize a newly created element handle to represent the given element.
    *
    * @param element the element being represented
    */
   FunctionElementHandle(FunctionElement element) : super(element);
 
   @override
   FunctionElement get actualElement => super.actualElement as FunctionElement;
 
   @override
+  bool get isEntryPoint => actualElement.isEntryPoint;
+
+  @override
   ElementKind get kind => ElementKind.FUNCTION;
 
   @override
   FunctionDeclaration get node => actualElement.node;
 
   @override
   SourceRange get visibleRange => actualElement.visibleRange;
 }
 
 /**
@@ skipping 448 matching lines @@
   DartType get type => actualElement.type;
 }
 /**
  * TODO(scheglov) invalid implementation
  */
 class WeakReference<T> {
   final T value;
   WeakReference(this.value);
   T get() => value;
 }