Remove Compiler access from ResolutionEnqueuer

pkg/compiler/lib/src/types/forwarding_type_mask.dart

Index: pkg/compiler/lib/src/types/forwarding_type_mask.dart
diff --git a/pkg/compiler/lib/src/types/forwarding_type_mask.dart b/pkg/compiler/lib/src/types/forwarding_type_mask.dart
index f285a59fefae7f1ab0f59466cc70baa5f101c834..775fee0575e2e16b0fdb168018c028c642982904 100644
--- a/pkg/compiler/lib/src/types/forwarding_type_mask.dart
+++ b/pkg/compiler/lib/src/types/forwarding_type_mask.dart
@@ -101,8 +101,8 @@ abstract class ForwardingTypeMask implements TypeMask {
     return forwardTo.canHit(element, selector, closedWorld);
   }
 
-  Element locateSingleElement(Selector selector, Compiler compiler) {
-    return forwardTo.locateSingleElement(selector, compiler);
+  Element locateSingleElement(Selector selector, ClosedWorld closedWorld) {
+    return forwardTo.locateSingleElement(selector, closedWorld);
   }
 
   bool equalsDisregardNull(other) {