Rename Enqueuer.universe to worldBuilder.

pkg/compiler/lib/src/universe/world_builder.dart

Index: pkg/compiler/lib/src/universe/world_builder.dart
diff --git a/pkg/compiler/lib/src/universe/world_builder.dart b/pkg/compiler/lib/src/universe/world_builder.dart
index 651d62a2160bcd09e0b1eab609192e355f31a97a..8302d84d2a5b93fcf85f8ecc7cb66f1fac8ca86e 100644
--- a/pkg/compiler/lib/src/universe/world_builder.dart
+++ b/pkg/compiler/lib/src/universe/world_builder.dart
@@ -159,8 +159,8 @@ abstract class WorldBuilder {
   /// All types that are checked either through is, as or checked mode checks.
   Iterable<ResolutionDartType> get isChecks;
 
-  /// Registers that [type] is checked in this universe. The unaliased type is
-  /// returned.
+  /// Registers that [type] is checked in this world builder. The unaliased type
+  /// is returned.
   ResolutionDartType registerIsCheck(ResolutionDartType type);
 
   /// All directly instantiated types, that is, the types of the directly
@@ -1069,7 +1069,7 @@ class ResolutionWorldBuilderImpl implements ResolutionWorldBuilder {
     return _closedWorldCache = new ClosedWorldImpl(
         backend: _backend,
         commonElements: commonElements,
-        resolverWorld: this,
+        resolutionWorldBuilder: this,
         functionSetBuilder: _allFunctions,
         allTypedefs: _allTypedefs,
         mixinUses: _mixinUses,