Fix named constructors and static methods of hidden native classes.

tests/language/language.status

 # 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.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 # In order to maintain maximum test coverage for all builds,
 # please use the following procedure to mark a test
 # failed on architectures other than the one you are working on.
@@ skipping 310 matching lines @@
 TypeVariableBoundsTest/02: Fail
 TypeVariableBoundsTest/06: Fail
 
 
 [ $component == frog || $component == frogsh || $component == leg ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 InstanceofTest: Fail
 StaticField1RunNegativeTest: Pass
 StaticField2RunNegativeTest: Pass
 NumberSyntaxTest: Fail
-NativeNamedConstructors2FrogTest: Fail  # ReferenceError: A is not defined.
 
 [ $component == frogium ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 StaticField1RunNegativeTest: Pass # but error is not correct
 StaticField2RunNegativeTest: Pass # but error is not correct
 InstanceofTest: Timeout
 NumberSyntaxTest: Timeout
-NativeNamedConstructors2FrogTest: Timeout  # ReferenceError: A is not defined.
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip