Add TypeVariableMirror.isStatic to the API and dart2js.

tests/lib/mirrors/mirrors_reader.dart

 // Copyright (c) 2014, 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 LICESNE file.
 
 library mirrors.reader;
 
 import 'dart:mirrors';
 import 'mirrors_visitor.dart';
 
 class ReadError {
@@ skipping 233 matching lines @@
     visit(mirror, 'isOriginalDeclaration',
           () => mirror.isOriginalDeclaration);
     visit(mirror, 'originalDeclaration', () => mirror.originalDeclaration);
     visit(mirror, 'typeArguments', () => mirror.typeArguments);
     visit(mirror, 'typeVariables', () => mirror.typeVariables);
   }
 
   visitTypeVariableMirror(TypeVariableMirror mirror) {
     super.visitTypeVariableMirror(mirror);
     visit(mirror, 'upperBound', () => mirror.upperBound);
+    visit(mirror, 'isStatic', () => mirror.isStatic);
   }
 
   visitVariableMirror(VariableMirror mirror) {
     super.visitVariableMirror(mirror);
     visit(mirror, 'isConst', () => mirror.isConst);
     visit(mirror, 'isFinal', () => mirror.isFinal);
     visit(mirror, 'isStatic', () => mirror.isStatic);
     visit(mirror, 'type', () => mirror.type);
   }
 }