Initial steps toward adding strong mode to the new task model

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.
 
 library engine.element_handle;
 
 import 'ast.dart';
 import 'element.dart';
 import 'engine.dart';
 import 'java_core.dart';
@@ skipping 494 matching lines @@
   ExecutableElementHandle(ExecutableElement element) : super(element);
 
   @override
   ExecutableElement get actualElement =>
       super.actualElement as ExecutableElement;
 
   @override
   List<FunctionElement> get functions => actualElement.functions;
 
   @override
+  bool get hasImplicitReturnType => actualElement.hasImplicitReturnType;
+
+  @override
   bool get isAbstract => actualElement.isAbstract;
 
   @override
   bool get isAsynchronous => actualElement.isAsynchronous;
 
   @override
   bool get isExternal => actualElement.isExternal;
 
   @override
   bool get isGenerator => actualElement.isGenerator;
@@ skipping 556 matching lines @@
    * Initialize a newly created element handle to represent the given element.
    *
    * @param element the element being represented
    */
   VariableElementHandle(VariableElement element) : super(element);
 
   @override
   VariableElement get actualElement => super.actualElement as VariableElement;
 
   @override
+  bool get hasImplicitType => actualElement.hasImplicitType;
+
+  @override
   FunctionElement get initializer => actualElement.initializer;
 
   @override
   bool get isConst => actualElement.isConst;
 
   @override
   bool get isFinal => actualElement.isFinal;
 
   @override
   bool get isPotentiallyMutatedInClosure =>
       actualElement.isPotentiallyMutatedInClosure;
 
   @override
   bool get isPotentiallyMutatedInScope =>
       actualElement.isPotentiallyMutatedInScope;
 
   @override
   DartType get type => actualElement.type;
 }
+
 /**
  * TODO(scheglov) invalid implementation
  */
 class WeakReference<T> {
   final T value;
   WeakReference(this.value);
   T get() => value;
 }