Remake KotlinTypes.

idea/ide-common/src/org/jetbrains/kotlin/idea/util/Utils.kt

@@ -26,7 +26,6 @@ import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue
 import org.jetbrains.kotlin.types.FlexibleType
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
-import org.jetbrains.kotlin.types.unwrap
 
 fun KtFunctionLiteral.findLabelAndCall(): Pair<Name?, KtCallExpression?> {
     val literalParent = (this.parent as KtLambdaExpression).parent

idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/changeSignatureUtils.kt

@@ -89,8 +89,7 @@ private object ForceTypeCopySubstitution : TypeSubstitution() {
     override fun get(key: KotlinType) =
             with(key) {
                 if (isError) return@with asTypeProjection()
-                KotlinTypeImpl.create(
-                        annotations, constructor, isMarkedNullable, arguments, memberScope).asTypeProjection()
+                KotlinTypeFactory.simpleType(annotations, constructor, arguments, isMarkedNullable, memberScope).asTypeProjection()
             }
 
     override fun isEmpty() = false