Revert "dart2ks-kernel: constant types and constant lists with type parameters"

pkg/compiler/lib/src/js_backend/namer.dart

Index: pkg/compiler/lib/src/js_backend/namer.dart
diff --git a/pkg/compiler/lib/src/js_backend/namer.dart b/pkg/compiler/lib/src/js_backend/namer.dart
index 3efbea42ae04c83bcf4e7289c6671227bdf6a0bd..2ef33ba22b62de97c94d6ad4049db392b1cd4ac0 100644
--- a/pkg/compiler/lib/src/js_backend/namer.dart
+++ b/pkg/compiler/lib/src/js_backend/namer.dart
@@ -1934,7 +1934,7 @@ class ConstantNamingVisitor implements ConstantValueVisitor {
     // Generates something like 'Type_String_k8F', using the simple name of the
     // type and a hash to disambiguate the same name in different libraries.
     addRoot('Type');
-    DartType type = constant.representedType;
+    ResolutionDartType type = constant.representedType;
     String name = type.element?.name;
     if (name == null) {
       // e.g. DartType 'dynamic' has no element.
@@ -2058,7 +2058,7 @@ class ConstantCanonicalHasher implements ConstantValueVisitor<int, Null> {
 
   @override
   int visitType(TypeConstantValue constant, [_]) {
-    DartType type = constant.representedType;
+    ResolutionDartType type = constant.representedType;
     // This name includes the library name and type parameters.
     String name = rtiEncoder.getTypeRepresentationForTypeConstant(type);
     return _hashString(4, name);