Rename Enqueuer.universe to worldBuilder.

pkg/compiler/lib/src/ssa/optimize.dart

 // Copyright (c) 2012, 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.
 
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/names.dart' show Selectors;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_system.dart';
 import '../constants/values.dart';
@@ skipping 2299 matching lines @@
   void visitFieldSet(HFieldSet instruction) {
     HInstruction receiver = instruction.getDartReceiver(closedWorld).nonCheck();
     memorySet.registerFieldValueUpdate(
         instruction.element, receiver, instruction.inputs.last);
   }
 
   void visitCreate(HCreate instruction) {
     memorySet.registerAllocation(instruction);
     if (shouldTrackInitialValues(instruction)) {
       int argumentIndex = 0;
-      compiler.codegenWorld.forEachInstanceField(instruction.element,
+      compiler.codegenWorldBuilder.forEachInstanceField(instruction.element,
           (_, FieldEntity member) {
         if (compiler.elementHasCompileTimeError(member as Entity)) return;
         memorySet.registerFieldValue(
             member, instruction, instruction.inputs[argumentIndex++]);
       });
     }
     // In case this instruction has as input non-escaping objects, we
     // need to mark these objects as escaping.
     memorySet.killAffectedBy(instruction);
   }
@@ skipping 423 matching lines @@
 
     keyedValues.forEach((receiver, values) {
       result.keyedValues[receiver] =
           new Map<HInstruction, HInstruction>.from(values);
     });
 
     result.nonEscapingReceivers.addAll(nonEscapingReceivers);
     return result;
   }
 }