Add Class/MemberDefinition to handle synthesized classes/members

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 '../common/tasks.dart';
 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';
@@ skipping 22 matching lines @@
       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);
       KernelSsaGraphBuilder builder = new KernelSsaGraphBuilder(
           element,
           element.contextClass,
-          astAdapter.getMemberNode(element),
           backend.compiler,
           astAdapter,
           typeInferenceMap,
           astAdapter,
           closedWorld,
           backend.compiler.codegenWorldBuilder,
           work.registry,
           backend.compiler.backendStrategy.closureDataLookup,
           sourceInformationFactory.createBuilderForContext(work.element),
           resolvedAst.kind == ResolvedAstKind.PARSED ? resolvedAst.node : null);
@@ skipping 12 matching lines @@
           name = "${element.name}";
         }
         backend.tracer.traceCompilation(name);
         backend.tracer.traceGraph('builder', graph);
       }
 
       return graph;
     });
   }
 }