ThisReceiver converted to Kotlin

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/DataFlowInfoUtilForCompletion.kt

@@ -29,7 +29,7 @@ fun renderDataFlowValue(value: DataFlowValue): String? {
     fun renderId(id: Any?): String? {
         return when (id) {
             is KtExpression -> id.getText()
-            is ThisReceiver -> "this@${id.getDeclarationDescriptor().getName()}"
+            is ThisReceiver -> "this@${id.declarationDescriptor.getName()}"
             is VariableDescriptor -> id.getName().asString()
             is PackageViewDescriptor -> id.fqName.asString()
             is com.intellij.openapi.util.Pair<*, *> -> renderId(id.first) + "." + renderId(id.second)