Remove Compiler access from ResolutionEnqueuer

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

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of masks;
 
 /**
  * A type mask that wraps an other one, and delegate all its
  * implementation methods to it.
  */
@@ skipping 83 matching lines @@
   }
 
   bool needsNoSuchMethodHandling(Selector selector, ClosedWorld closedWorld) {
     return forwardTo.needsNoSuchMethodHandling(selector, closedWorld);
   }
 
   bool canHit(Element element, Selector selector, ClosedWorld closedWorld) {
     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) {
     if (other is! ForwardingTypeMask) return false;
     if (forwardTo.isNullable) {
       return forwardTo == other.forwardTo.nullable();
     } else {
       return forwardTo == other.forwardTo.nonNullable();
     }
   }
 
   bool operator ==(other) {
     return equalsDisregardNull(other) && isNullable == other.isNullable;
   }
 
   int get hashCode => throw "Subclass should implement hashCode getter";
 }