Use elements/types.dart in codegen.dart

pkg/compiler/lib/src/ssa/graph_builder.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 '../closure.dart';
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry;
 import '../compiler.dart';
 import '../constants/constant_system.dart';
 import '../elements/resolution_types.dart';
@@ skipping 205 matching lines @@
 
   // TODO(karlklose): this is needed to avoid a bug where the resolved type is
   // not stored on a type annotation in the closure translator. Remove when
   // fixed.
   bool hasDirectLocal(Local local) {
     return !localsHandler.isAccessedDirectly(local) ||
         localsHandler.directLocals[local] != null;
   }
 
   HInstruction callSetRuntimeTypeInfoWithTypeArguments(
-      DartType type, List<HInstruction> rtiInputs, HInstruction newObject) {
+      InterfaceType type, List<HInstruction> rtiInputs, HInstruction newObject) {
     if (!backend.classNeedsRti(type.element)) {
       return newObject;
     }
 
     HInstruction typeInfo = new HTypeInfoExpression(
         TypeInfoExpressionKind.INSTANCE,
-        (type.element as ClassElement).thisType,
+        type.asRaw(),
         rtiInputs,
         closedWorld.commonMasks.dynamicType);
     add(typeInfo);
     return callSetRuntimeTypeInfo(typeInfo, newObject);
   }
 
   HInstruction callSetRuntimeTypeInfo(
       HInstruction typeInfo, HInstruction newObject);
 
   /// The element for which this SSA builder is being used.
@@ skipping 85 matching lines @@
     if (unaliased is TypedefType) throw 'unable to unalias $type';
     unaliased.accept(this, builder);
   }
 
   void visitDynamicType(DynamicType type, GraphBuilder builder) {
     JavaScriptBackend backend = builder.compiler.backend;
     ClassElement cls = backend.helpers.DynamicRuntimeType;
     builder.push(new HDynamicType(type, new TypeMask.exact(cls, closedWorld)));
   }
 }