Prefix resolution_types with Resolution.

tests/compiler/dart2js/type_variable_occurrence_test.dart

Index: tests/compiler/dart2js/type_variable_occurrence_test.dart
diff --git a/tests/compiler/dart2js/type_variable_occurrence_test.dart b/tests/compiler/dart2js/type_variable_occurrence_test.dart
index b868e3ae0e1d242cbfb3207de6e57bf6323dad70..04d3ffdfcca7f9b39b27a20a8e36b959acaccc6d 100644
--- a/tests/compiler/dart2js/type_variable_occurrence_test.dart
+++ b/tests/compiler/dart2js/type_variable_occurrence_test.dart
@@ -56,8 +56,9 @@ testTypeVariableOccurrence() {
         ClassElement A = env.getElement('A');
 
         expect(bool expectResult, String memberName) {
-          DartType memberType = env.getMemberType(A, memberName);
-          TypeVariableType typeVariable = memberType.typeVariableOccurrence;
+          ResolutionDartType memberType = env.getMemberType(A, memberName);
+          ResolutionTypeVariableType typeVariable =
+              memberType.typeVariableOccurrence;
           if (expectResult) {
             Expect.isNotNull(typeVariable);
             Expect.equals(A, Types.getClassContext(memberType));