Prefix resolution_types with Resolution.

tests/compiler/dart2js/type_equals_test.dart

Index: tests/compiler/dart2js/type_equals_test.dart
diff --git a/tests/compiler/dart2js/type_equals_test.dart b/tests/compiler/dart2js/type_equals_test.dart
index 95e34b86b6f29701350ab4c77a87eddc6aaf95a5..4dab03e1a4f01ed543cbd426b8fe2ea2d8312b27 100644
--- a/tests/compiler/dart2js/type_equals_test.dart
+++ b/tests/compiler/dart2js/type_equals_test.dart
@@ -28,8 +28,8 @@ bool test(compiler, String name1, String name2, {bool expect}) {
   //
   // Only a single type is used from each signature. That is, it is not the
   // intention to check the whole signatures against eachother.
-  DartType type1;
-  DartType type2;
+  ResolutionDartType type1;
+  ResolutionDartType type2;
   if (signature1.requiredParameterCount == 0) {
     // If parameters is empty, use return type.
     type1 = signature1.type.returnType;