Support newInstance() for class mirrors of generic classes.

tests/lib/mirrors/initializing_formals_test.dart

 // Copyright (c) 2013, 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 test.initializing_formals;
 
 import 'dart:mirrors';
 import 'package:expect/expect.dart';
 
 class Class<T> {
@@ skipping 28 matching lines @@
   pm = mm.parameters.single;
   Expect.equals(#intField, pm.simpleName);
   Expect.equals(reflectClass(int), pm.type);
   Expect.isFalse(pm.isNamed);  /// 01: ok
   Expect.isFalse(pm.isFinal);  /// 01: ok
   Expect.isFalse(pm.isOptional);  /// 01: ok
   Expect.isFalse(pm.hasDefaultValue);  /// 01: ok
   Expect.isFalse(pm.isPrivate);
   Expect.isFalse(pm.isStatic);
   Expect.isFalse(pm.isTopLevel);
-  
+
   mm = reflectClass(Class).declarations[#Class.named];
   pm = mm.parameters.single;
   Expect.equals(#boolField, pm.simpleName);
   Expect.equals(reflectClass(bool), pm.type);
   Expect.isTrue(pm.isNamed);  /// 01: ok
   Expect.isFalse(pm.isFinal);  /// 01: ok
   Expect.isTrue(pm.isOptional);  /// 01: ok
   Expect.isFalse(pm.hasDefaultValue);  /// 01: ok
   Expect.isFalse(pm.isPrivate);
   Expect.isFalse(pm.isStatic);
   Expect.isFalse(pm.isTopLevel);
 
   mm = reflectClass(Class).declarations[#Class.optPos];
   pm = mm.parameters.single;
   Expect.equals(#stringField, pm.simpleName);
   Expect.equals(reflectClass(String), pm.type);
   Expect.isFalse(pm.isNamed);  /// 01: ok
   Expect.isFalse(pm.isFinal);  /// 01: ok
   Expect.isTrue(pm.isOptional);  /// 01: ok
   Expect.isTrue(pm.hasDefaultValue);  /// 01: ok
   Expect.equals('default', pm.defaultValue.reflectee);  /// 01: ok
   Expect.isFalse(pm.isPrivate);
   Expect.isFalse(pm.isStatic);
   Expect.isFalse(pm.isTopLevel);
-  
+
   mm = reflectClass(Class).declarations[#Class.generic];
   pm = mm.parameters.single;
   Expect.equals(#tField, pm.simpleName);
-  Expect.equals(reflectClass(Class).typeVariables.single, pm.type);  
+  Expect.equals(reflectClass(Class).typeVariables.single, pm.type);
   Expect.isFalse(pm.isNamed);  /// 01: ok
   Expect.isFalse(pm.isFinal);  /// 01: ok
   Expect.isFalse(pm.isOptional);  /// 01: ok
   Expect.isFalse(pm.hasDefaultValue);  /// 01: ok
   Expect.isFalse(pm.isPrivate);
   Expect.isFalse(pm.isStatic);
   Expect.isFalse(pm.isTopLevel);
 
   mm = reflectClass(Class).declarations[#Class.private];
   pm = mm.parameters.single;
@@ skipping 60 matching lines @@
   Expect.equals(#value, pm.simpleName);
   Expect.equals(reflectClass(num), pm.type);
   Expect.isFalse(pm.isNamed);  /// 01: ok
   Expect.isTrue(pm.isFinal);  // N.B.  /// 01: ok
   Expect.isFalse(pm.isOptional);  /// 01: ok
   Expect.isFalse(pm.hasDefaultValue);  /// 01: ok
   Expect.isFalse(pm.isPrivate);
   Expect.isFalse(pm.isStatic);
   Expect.isFalse(pm.isTopLevel);
 }