More dart2js strong mode cleanup.

pkg/compiler/lib/src/resolution/semantic_visitor.dart

 // Copyright (c) 2015, 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.semantics_visitor;
 
 import '../common.dart';
 import '../constants/expressions.dart';
 import '../elements/elements.dart';
 import '../elements/names.dart';
@@ skipping 3948 matching lines @@
   /// Invocation of a constructor on an unresolved [type] with [arguments].
   ///
   /// For instance:
   ///
   ///     m() => new Unresolved(true, 42);
   ///
   /// where [type] is the malformed type `Unresolved`.
   ///
   // TODO(johnniwinther): Change [type] to [MalformedType] when is it not
   // `dynamic`.
-  R visitUnresolvedClassConstructorInvoke(NewExpression node, Element element,
-      ResolutionDartType type, NodeList arguments, Selector selector, A arg);
+  R visitUnresolvedClassConstructorInvoke(
+      NewExpression node,
+      ErroneousElement element,
+      ResolutionDartType type,
+      NodeList arguments,
+      Selector selector,
+      A arg);
 
   /// Constant invocation of a non-constant constructor.
   ///
   /// For instance:
   ///
   ///     class C {
   ///       C(a, b);
   ///     }
   ///     m() => const C(true, 42);
   ///
@@ skipping 731 matching lines @@
   ///
   /// For instance `this._(42)` in:
   ///
   ///     class C {
   ///       C() : this._(42);
   ///     }
   ///
   R errorUnresolvedThisConstructorInvoke(
       Send node, Element element, NodeList arguments, Selector selector, A arg);
 }