Support for generic type variables and unresolved types added.

tests/compiler/dart2js/unparser_test.dart

 // 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.
 
 #import('dart:uri');
 #import('parser_helper.dart');
 #import("../../../lib/compiler/compiler.dart");
 #import("../../../lib/compiler/implementation/tree/tree.dart");
 
 testUnparse(String statement) {
@@ skipping 390 matching lines @@
 main() {
   testSignedConstants();
   testGenericTypes();
   testForLoop();
   testEmptyList();
   testClosure();
   testIndexedOperatorDecl();
   testNativeMethods();
   testPrefixIncrements();
   testConstModifier();
-  testStaticInvocation();
   testSimpleFileUnparse();
+  testTopLevelField();
   testSimpleObjectInstantiation();
   testSimpleTopLevelClass();
   testClassWithSynthesizedConstructor();
   testClassWithMethod();
+  testExtendsImplements();
   testVariableDefinitions();
   testGetSet();
   testFactoryConstructor();
-  testTopLevelField();
   testAbstractClass();
+  testConflictSendsRename();
+  testNoConflictSendsRename();
   testConflictLibraryClassRename();
-  testNoConflictSendsRename();
-  testConflictSendsRename();
-  // Disabled with revert of https://chromiumcodereview.appspot.com/10824062/
-  // testDefaultClassWithArgs();
-  if (false) // Temporary resolved, fix is near.
+  testDefaultClassWithArgs();
   testClassExtendsWithArgs();
+  testStaticInvocation();
 }