Add ElementKind for factory constructors.

pkg/compiler/lib/src/compiler.dart

 // 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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show
     EventSink,
     Future;
 
@@ skipping 1157 matching lines @@
           MessageKind.GENERIC,
           {'text': 'Warning: $e resolved but not compiled.'});
     }
   }
 
   WorldImpact analyzeElement(Element element) {
     assert(invariant(element,
            element.impliesType ||
            element.isField ||
            element.isFunction ||
-           element.isGenerativeConstructor ||
+           element.isConstructor ||
            element.isGetter ||
            element.isSetter,
            message: 'Unexpected element kind: ${element.kind}'));
     assert(invariant(element, element is AnalyzableElement,
         message: 'Element $element is not analyzable.'));
     assert(invariant(element, element.isDeclaration));
     return resolution.computeWorldImpact(element);
   }
 
   WorldImpact analyze(ResolutionWorkItem work,
@@ skipping 853 matching lines @@
     if (_otherDependencies == null) {
       _otherDependencies = new Setlet<Element>();
     }
     _otherDependencies.add(element.implementation);
   }
 
   Iterable<Element> get otherDependencies {
     return _otherDependencies != null ? _otherDependencies : const <Element>[];
   }
 }