Extract type inference queries from KernelAstAdapter to KernelToTypeInferenceMap

pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.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 '../elements/elements.dart';
 import '../io/source_information.dart';
 import '../js_backend/backend.dart' show JavaScriptBackend;
 import '../js_backend/element_strategy.dart' show ElementCodegenWorkItem;
 import '../kernel/kernel.dart';
 import '../world.dart';
 import 'builder.dart';
@@ skipping 14 matching lines @@
     return measure(() {
       if (handleConstantField(work)) {
         // No code is generated for `work.element`.
         return null;
       }
       MemberElement element = work.element.implementation;
       ResolvedAst resolvedAst = work.resolvedAst;
       Kernel kernel = backend.kernelTask.kernel;
       KernelAstAdapter astAdapter = new KernelAstAdapter(kernel, backend,
           work.resolvedAst, kernel.nodeToAst, kernel.nodeToElement);
+      KernelAstTypeInferenceMap typeInferenceMap =
+          new KernelAstTypeInferenceMap(astAdapter);
       KernelSsaBuilder builder = new KernelSsaBuilder(
           element,
           backend.compiler,
           astAdapter,
+          typeInferenceMap,
           closedWorld,
           work.registry,
           sourceInformationFactory.createBuilderForContext(resolvedAst),
           resolvedAst.kind == ResolvedAstKind.PARSED ? resolvedAst.node : null);
       HGraph graph = builder.build();
 
       if (backend.tracer.isEnabled) {
         String name;
         if (element.isClassMember) {
           String className = element.enclosingClass.name;
           String memberName = element.name;
           name = "$className.$memberName";
           if (element.isGenerativeConstructorBody) {
             name = "$name (body)";
           }
         } else {
           name = "${element.name}";
         }
         backend.tracer.traceCompilation(name);
         backend.tracer.traceGraph('builder', graph);
       }
 
       return graph;
     });
   }
 }