Add ConstructorBodyEntity

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

Index: pkg/compiler/lib/src/ssa/loop_handler.dart
diff --git a/pkg/compiler/lib/src/ssa/loop_handler.dart b/pkg/compiler/lib/src/ssa/loop_handler.dart
index 8215aed2d56af6b6027574c0f77bde60dbf9eb1d..570a5886689aace345ec1da32420d7d04e6fddca 100644
--- a/pkg/compiler/lib/src/ssa/loop_handler.dart
+++ b/pkg/compiler/lib/src/ssa/loop_handler.dart
@@ -13,7 +13,6 @@ import 'builder.dart';
 import 'builder_kernel.dart';
 import 'graph_builder.dart';
 import 'jump_handler.dart';
-import 'kernel_ast_adapter.dart';
 import 'locals_handler.dart';
 import 'nodes.dart';
 
@@ -347,8 +346,6 @@ class _SsaLoopTypeVisitor extends ast.Visitor {
 class KernelLoopHandler extends LoopHandler<ir.TreeNode> {
   final KernelSsaGraphBuilder builder;
 
-  KernelAstAdapter get astAdapter => builder.astAdapter;
-
   KernelLoopHandler(KernelSsaGraphBuilder builder)
       : this.builder = builder,
         super(builder);