Remove Compiler access from ResolutionEnqueuer

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

 // Copyright (c) 2014, 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.
 
 library types.constants;
 
 import '../common.dart';
 import '../compiler.dart' show Compiler;
 import '../constants/values.dart';
 import '../js_backend/js_backend.dart' show SyntheticConstantKind;
 import 'masks.dart';
 
 /// Computes the [TypeMask] for the constant [value].
 TypeMask computeTypeMask(Compiler compiler, ConstantValue value) {
   return value.accept(const ConstantValueTypeMasks(), compiler);
 }
 
 class ConstantValueTypeMasks extends ConstantValueVisitor<TypeMask, Compiler> {
   const ConstantValueTypeMasks();
 
   @override
   TypeMask visitConstructed(
       ConstructedConstantValue constant, Compiler compiler) {
     if (compiler.backend.isInterceptorClass(constant.type.element)) {
-      return compiler.commonMasks.nonNullType;
+      return compiler.closedWorld.commonMasks.nonNullType;
     }
     return new TypeMask.nonNullExact(
         constant.type.element, compiler.closedWorld);
   }
 
   @override
   TypeMask visitDeferred(DeferredConstantValue constant, Compiler compiler) {
     return constant.referenced.accept(this, compiler);
   }
 
   @override
   TypeMask visitDouble(DoubleConstantValue constant, Compiler compiler) {
     // We have to recognize double constants that are 'is int'.
     if (compiler.backend.constantSystem.isInt(constant)) {
       if (constant.isMinusZero) {
-        return compiler.commonMasks.uint31Type;
+        return compiler.closedWorld.commonMasks.uint31Type;
       } else {
         assert(constant.isPositiveInfinity || constant.isNegativeInfinity);
-        return compiler.commonMasks.intType;
+        return compiler.closedWorld.commonMasks.intType;
       }
     }
-    return compiler.commonMasks.doubleType;
+    return compiler.closedWorld.commonMasks.doubleType;
   }
 
   @override
   TypeMask visitSynthetic(SyntheticConstantValue constant, Compiler compiler) {
     switch (constant.valueKind) {
       case SyntheticConstantKind.DUMMY_INTERCEPTOR:
         return constant.payload;
       case SyntheticConstantKind.EMPTY_VALUE:
         return constant.payload;
       case SyntheticConstantKind.TYPEVARIABLE_REFERENCE:
-        return compiler.commonMasks.intType;
+        return compiler.closedWorld.commonMasks.intType;
       case SyntheticConstantKind.NAME:
-        return compiler.commonMasks.stringType;
+        return compiler.closedWorld.commonMasks.stringType;
       default:
         DiagnosticReporter reporter = compiler.reporter;
         reporter.internalError(
             CURRENT_ELEMENT_SPANNABLE, "Unexpected DummyConstantKind.");
         return null;
     }
   }
 
   @override
   TypeMask visitBool(BoolConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.boolType;
+    return compiler.closedWorld.commonMasks.boolType;
   }
 
   @override
   TypeMask visitFunction(FunctionConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.functionType;
+    return compiler.closedWorld.commonMasks.functionType;
   }
 
   @override
   TypeMask visitInt(IntConstantValue constant, Compiler compiler) {
-    if (constant.isUInt31()) return compiler.commonMasks.uint31Type;
-    if (constant.isUInt32()) return compiler.commonMasks.uint32Type;
-    if (constant.isPositive()) return compiler.commonMasks.positiveIntType;
-    return compiler.commonMasks.intType;
+    if (constant.isUInt31()) return compiler.closedWorld.commonMasks.uint31Type;
+    if (constant.isUInt32()) return compiler.closedWorld.commonMasks.uint32Type;
+    if (constant.isPositive())
+      return compiler.closedWorld.commonMasks.positiveIntType;
+    return compiler.closedWorld.commonMasks.intType;
   }
 
   @override
   TypeMask visitInterceptor(
       InterceptorConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.nonNullType;
+    return compiler.closedWorld.commonMasks.nonNullType;
   }
 
   @override
   TypeMask visitList(ListConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.constListType;
+    return compiler.closedWorld.commonMasks.constListType;
   }
 
   @override
   TypeMask visitMap(MapConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.constMapType;
+    return compiler.closedWorld.commonMasks.constMapType;
   }
 
   @override
   TypeMask visitNull(NullConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.nullType;
+    return compiler.closedWorld.commonMasks.nullType;
   }
 
   @override
   TypeMask visitNonConstant(NonConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.nullType;
+    return compiler.closedWorld.commonMasks.nullType;
   }
 
   @override
   TypeMask visitString(StringConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.stringType;
+    return compiler.closedWorld.commonMasks.stringType;
   }
 
   @override
   TypeMask visitType(TypeConstantValue constant, Compiler compiler) {
-    return compiler.commonMasks.typeType;
+    return compiler.closedWorld.commonMasks.typeType;
   }
 }