Added ThisVariable in scoping and the captured scope of initialized fields.

pkg/compiler/lib/src/kernel/element_map_impl.dart

Index: pkg/compiler/lib/src/kernel/element_map_impl.dart
diff --git a/pkg/compiler/lib/src/kernel/element_map_impl.dart b/pkg/compiler/lib/src/kernel/element_map_impl.dart
index a6520a0b91f0d4fd399a0ba4e569d05ede175baf..ef9c2ce66c5278970c2cf0eed95b2094916e7a02 100644
--- a/pkg/compiler/lib/src/kernel/element_map_impl.dart
+++ b/pkg/compiler/lib/src/kernel/element_map_impl.dart
@@ -1023,9 +1023,9 @@ class KernelToElementMapForImpactImpl extends KernelToElementMapBase
         _memberData[member.memberIndex].definition.node, this);
   }
 
-  ClosureModel computeClosureModel(KMember member) {
+  ScopeModel computeScopeModel(KMember member) {
     ir.Member node = _memberData[member.memberIndex].definition.node;
-    return KernelClosureAnalysis.computeClosureModel(member, node);
+    return KernelClosureAnalysis.computeScopeModel(member, node);
   }
 
   /// Returns the kernel [ir.Procedure] node for the [method].