Followup to https://codereview.chromium.org/1450393002/

pkg/fletchc/lib/src/fletch_registry.dart

 // Copyright (c) 2015, the Fletch 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.md file.
 
 library fletchc.fletch_codegen_registry;
 
-import 'package:compiler/src/compiler.dart' show
-    GlobalDependencyRegistry;
-
-import 'package:compiler/src/common/codegen.dart' show
-    CodegenRegistry;
-
-import 'package:compiler/src/common/registry.dart' show
-    Registry;
-
 import 'package:compiler/src/universe/selector.dart' show
     Selector;
 
-import 'package:compiler/src/universe/use.dart' show
-    DynamicUse,
-    StaticUse;
-
 import 'package:compiler/src/elements/elements.dart' show
     ClassElement,
     Element,
     FunctionElement,
     LocalElement;
 
 import 'package:compiler/src/dart_types.dart' show
     DartType,
     InterfaceType;
 
@@ skipping 39 matching lines @@
   /// The result of getting a super instance function
   superTearOff,
 }
 
 class FletchRegistry {
   final FletchEnqueuer world;
 
   FletchRegistry(FletchCompilerImplementation compiler)
       : world = compiler.enqueuer.codegen;
 
-  void registerStaticUse(StaticUse staticUse) {
+  void registerStaticInvocation(FunctionElement function) {
     // TODO(ahe): Call a different method.
-    world.registerStaticUse(staticUse);
+    world.registerStaticInvocation(function);
   }
 
   void registerInstantiatedClass(ClassElement element) {
     world.registerInstantiatedType(element.rawType);
   }
 
-  void registerDynamicUse(Selector selector) {
-    world.registerDynamicUse(new DynamicUse(selector, null));
+  void registerDynamicSelector(Selector selector) {
+    world.registerDynamicSelector(selector);
   }
 
   void registerInstantiatedType(InterfaceType type) {
     world.registerInstantiatedType(type);
   }
 
   void registerIsCheck(DartType type) {
     world.registerIsCheck(type);
   }
 
@@ skipping 14 matching lines @@
         assert(function.isInstanceMember);
         assert(function.name == "call");
         break;
 
       case ClosureKind.localFunction:
         assert(function.memberContext != function);
     }
     world.dynamicCallEnqueuer.enqueueClosure(function, kind);
   }
 }