A step towards handling `new Object()` in compile_from_dill_test

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 '../closure.dart';
 import '../common.dart';
 import '../compiler.dart';
@@ skipping 284 matching lines @@
     for (ir.VariableDeclaration variable in sortedNamedParameters) {
       namedParameters.add(variable.name);
       namedParameterTypes.add(getDartType(variable.type));
     }
     return new ResolutionFunctionType.synthesized(returnType, parameterTypes,
         optionalParameterTypes, namedParameters, namedParameterTypes);
   }
 
   InterfaceType getInterfaceType(ir.InterfaceType type) => getDartType(type);
 
+  InterfaceType getThisType(ClassElement cls) => cls.thisType;
+
   InterfaceType createInterfaceType(
       ir.Class cls, List<ir.DartType> typeArguments) {
     return new ResolutionInterfaceType(
         getClass(cls), getDartTypes(typeArguments));
   }
 
   MemberEntity getConstructorBodyEntity(ir.Constructor constructor) {
     AstElement element = getElement(constructor);
     MemberEntity constructorBody =
         ConstructorBodyElementX.createFromResolvedAst(element.resolvedAst);
@@ skipping 318 matching lines @@
   TypeMask selectorTypeOf(Selector selector, TypeMask mask) {
     return TypeMaskFactory.inferredTypeForSelector(
         selector, mask, _globalInferenceResults);
   }
 
   TypeMask typeFromNativeBehavior(
       native.NativeBehavior nativeBehavior, ClosedWorld closedWorld) {
     return TypeMaskFactory.fromNativeBehavior(nativeBehavior, closedWorld);
   }
 }