Remove Registry arguments from Enqueuer.

pkg/compiler/lib/src/common/codegen.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.
 
 library dart2js.common.codegen;
 
 import '../compiler.dart' show
     Compiler;
 import '../constants/values.dart' show
     ConstantValue;
@@ skipping 57 matching lines @@
     treeElements.registerDependency(element);
   }
 
   void registerInlining(Element inlinedElement, Element context) {
     if (compiler.dumpInfo) {
       compiler.dumpInfoTask.registerInlined(inlinedElement, context);
     }
   }
 
   void registerInstantiatedClass(ClassElement element) {
-    world.registerInstantiatedType(element.rawType, this);
+    backend.registerInstantiatedType(element.rawType, world, this);
   }
 
   void registerInstantiatedType(InterfaceType type) {
-    world.registerInstantiatedType(type, this);
+    backend.registerInstantiatedType(type, world, this);
   }
 
   void registerStaticUse(Element element) {
     world.registerStaticUse(element);
   }
 
   void registerDynamicInvocation(UniverseSelector selector) {
     world.registerDynamicInvocation(selector);
     compiler.dumpInfoTask.elementUsesSelector(currentElement, selector);
   }
@@ skipping 69 matching lines @@
 
   void registerSuperInvocation(Element element) {
     world.registerStaticUse(element);
   }
 
   void registerDirectInvocation(Element element) {
     world.registerStaticUse(element);
   }
 
   void registerInstantiation(InterfaceType type) {
-    world.registerInstantiatedType(type, this);
+    backend.registerInstantiatedType(type, world, this);
   }
 
   void registerAsyncMarker(FunctionElement element) {
     backend.registerAsyncMarker(element, world, this);
   }
 
 }
 
 /// [WorkItem] used exclusively by the [CodegenEnqueuer].
 class CodegenWorkItem extends WorkItem {
@@ skipping 22 matching lines @@
 
   TreeElements get resolutionTree => element.resolvedAst.elements;
 
   WorldImpact run(Compiler compiler, CodegenEnqueuer world) {
     if (world.isProcessed(element)) return const WorldImpact();
 
     registry = new CodegenRegistry(compiler, resolutionTree);
     return compiler.codegen(this, world);
   }
 }