dart2js cps: Support inlining constructors with type arguments.

pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.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 dart2js.ir_builder_task;
 
 import '../closure.dart' as closure;
 import '../common.dart';
 import '../common/names.dart' show
     Names,
@@ skipping 434 matching lines @@
         ir.Primitive value = fieldValues[field];
         if (value != null) {
           instanceArguments.add(value);
         } else {
           assert(backend.isNativeOrExtendsNative(c));
           // Native fields are initialized elsewhere.
         }
       }, includeSuperAndInjectedMembers: true);
 
       ir.Primitive instance = new ir.CreateInstance(
-          classElement,
+          classElement.thisType,
           instanceArguments,
           typeInformation,
           constructor.hasNode
               ? sourceInformationBuilder.buildCreate(constructor.node)
           // TODO(johnniwinther): Provide source information for creation
           // through synthetic constructors.
               : null);
       irBuilder.add(new ir.LetPrim(instance));
 
       // --- Call constructor bodies ---
@@ skipping 3083 matching lines @@
   }
 
   Element get closureConverter {
     return _backend.helpers.closureConverter;
   }
 
   void addNativeMethod(FunctionElement function) {
     _backend.emitter.nativeEmitter.nativeMethods.add(function);
   }
 }