cps-ir: Implement type tests for interface types without type arguments.

pkg/compiler/lib/src/cps_ir/cps_ir_builder.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;
 
 import '../constants/constant_system.dart';
 import '../constants/expressions.dart';
 import '../constants/values.dart' show PrimitiveConstantValue;
 import '../dart_types.dart';
@@ skipping 1958 matching lines @@
   ir.Primitive buildTypeOperator(ir.Primitive receiver,
                                  DartType type,
                                  {bool isTypeTest: false,
                                   bool isNotCheck: false}) {
     assert(isOpen);
     assert(isTypeTest != null);
     assert(!isNotCheck || isTypeTest);
     ir.Primitive check = _continueWithExpression(
         (k) => new ir.TypeOperator(receiver, type, k, isTypeTest: isTypeTest));
     return isNotCheck ? buildNegation(check) : check;
-
   }
 
   /// Create a lazy and/or expression. [leftValue] is the value of the left
   /// operand and [buildRightValue] is called to process the value of the right
   /// operand in the context of its own [IrBuilder].
   ir.Primitive buildLogicalOperator(
       ir.Primitive leftValue,
       ir.Primitive buildRightValue(IrBuilder builder),
       {bool isLazyOr: false}) {
     // e0 && e1 is translated as if e0 ? (e1 == true) : false.
@@ skipping 671 matching lines @@
 }
 
 /// Synthetic parameter to a JavaScript factory method that takes the type
 /// argument given for the type variable [variable].
 class TypeInformationParameter implements Local {
   final TypeVariableElement variable;
   final ExecutableElement executableContext;
   TypeInformationParameter(this.variable, this.executableContext);
   String get name => variable.name;
 }