Prefix resolution_types with Resolution.

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

Index: pkg/compiler/lib/src/js_backend/type_variable_handler.dart
diff --git a/pkg/compiler/lib/src/js_backend/type_variable_handler.dart b/pkg/compiler/lib/src/js_backend/type_variable_handler.dart
index 0a59838dda59408890289c927b6d4671324823c1..898e910df67bc4e66886f926ec0dd2fb68e1a677 100644
--- a/pkg/compiler/lib/src/js_backend/type_variable_handler.dart
+++ b/pkg/compiler/lib/src/js_backend/type_variable_handler.dart
@@ -101,10 +101,10 @@ class TypeVariableHandler {
     // Do not process classes twice.
     if (_typeVariables.containsKey(cls)) return;
 
-    InterfaceType typeVariableType = _typeVariableClass.thisType;
+    ResolutionInterfaceType typeVariableType = _typeVariableClass.thisType;
     List<jsAst.Expression> constants = <jsAst.Expression>[];
 
-    for (TypeVariableType currentTypeVariable in cls.typeVariables) {
+    for (ResolutionTypeVariableType currentTypeVariable in cls.typeVariables) {
       TypeVariableElement typeVariableElement = currentTypeVariable.element;
 
       jsAst.Expression boundIndex =