Remove HRuntimeType scheme for function types.

pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart

 // Copyright (c) 2016, 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 'package:js_runtime/shared/embedded_names.dart';
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
@@ skipping 405 matching lines @@
       TypeMaskFactory.inferredReturnTypeForElement(
           _backend.helpers.checkConcurrentModificationError,
           _globalInferenceResults);
 
   ir.Procedure get checkSubtype =>
       kernel.functions[_backend.helpers.checkSubtype];
 
   ir.Procedure get checkSubtypeOfRuntimeType =>
       kernel.functions[_backend.helpers.checkSubtypeOfRuntimeType];
 
+  ir.Procedure get functionTypeTest =>
+      kernel.functions[_backend.helpers.functionTypeTest];
+
   ir.Procedure get throwTypeError =>
       kernel.functions[_backend.helpers.throwTypeError];
 
   TypeMask get throwTypeErrorType =>
       TypeMaskFactory.inferredReturnTypeForElement(
           _backend.helpers.throwTypeError, _globalInferenceResults);
 
   ir.Procedure get assertHelper =>
       kernel.functions[_backend.helpers.assertHelper];
 
@@ skipping 355 matching lines @@
       JumpTarget continueTarget =
           astAdapter.getJumpTarget(switchCase, isContinueTarget: true);
       assert(continueTarget is KernelJumpTarget);
       targetIndexMap[continueTarget] = switchIndex;
       assert(builder.jumpTargets[continueTarget] == null);
       builder.jumpTargets[continueTarget] = this;
       switchIndex++;
     }
   }
 }