Add more tests and fix the parser to deal with generic superclasses for mixin applications.

tests/language/language_dart2js.status

 # 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.
 
 [ $compiler == dart2js || $compiler == dart2dart ]
 class_literal_test/01: Fail # Class literals are expression now; delete this test.
 class_literal_test/02: Fail # Class literals are expression now; delete this test.
 class_literal_test/05: Fail # Class literals are expression now; delete this test.
 class_literal_test/06: Fail # Class literals are expression now; delete this test.
 class_literal_test/07: Fail # Class literals are expression now; delete this test.
@@ skipping 185 matching lines @@
 named_parameters_aggregated_test/03: Fail # Presence of default values for optional params is not properly validated in closure types.
 named_parameters_aggregated_test/05: Fail # Absence of positional parameters before named parameters does not trigger static type warning.
 pseudo_kw_test: Fail # Unexpected token '('
 static_field3_test/0*: Fail
 super_implicit_closure_test: Fail # internal error: super property read not implemented
 super_operator_test: Fail # internal error: super property store not implemented
 switch_label_test: Fail # error: target of continue is not a loop or switch case
 
 
 # Failing tests for mixin type parameters.
+mixin_type_parameters_mixin_test: Fail # http://dartbug.com/8116
 mixin_type_parameters_super_test: Fail # http://dartbug.com/8116
+mixin_type_parameters_mixin_extends_test: Fail # http://dartbug.com/8116
+mixin_type_parameters_super_extends_test: Fail # http://dartbug.com/8116
 
 
 # External tests.
 external_test/01: Fail
 external_test/02: Fail
 external_test/11: Fail
 external_test/12: Fail
 external_test/13: Skip  # Runtime error (missing patch).
 external_test/14: Fail
 external_test/15: Fail
@@ skipping 150 matching lines @@
 string_interpolate_null_test: Fail # Issue: 7413
 call_through_null_getter_test: Fail
 closure3_test: Fail
 execute_finally3_test: Fail
 method_invocation_test: Fail
 null_pointer_exception_test: Fail
 stack_overflow_test: Fail
 string_interpolate_npe_test: Fail
 closure_call_wrong_argument_count_negative_test: Skip
 label_test: Skip