Add ClosureClassMaps super interface for ClosureTask

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

Index: pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.dart
diff --git a/pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.dart b/pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.dart
index 97555146665d1cb2493dda7dde3d0e2d37582fff..629a70bf9ad3471c9998151cb77f87bdd9bc76f3 100644
--- a/pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.dart
+++ b/pkg/compiler/lib/src/ssa/rasta_ssa_builder_task.dart
@@ -36,13 +36,16 @@ class RastaSsaBuilderTask extends SsaAstBuilderBase {
           new KernelAstTypeInferenceMap(astAdapter);
       KernelSsaBuilder builder = new KernelSsaBuilder(
           element,
+          astAdapter.getInitialKernelNode(element),
           backend.compiler,
           astAdapter,
           typeInferenceMap,
           closedWorld,
           work.registry,
+          backend.compiler.closureToClassMapper,
           sourceInformationFactory.createBuilderForContext(resolvedAst),
-          resolvedAst.kind == ResolvedAstKind.PARSED ? resolvedAst.node : null);
+          resolvedAst.kind == ResolvedAstKind.PARSED ? resolvedAst.node : null,
+          targetIsConstructorBody: element is ConstructorBodyElement);
       HGraph graph = builder.build();
 
       if (backend.tracer.isEnabled) {