Refactor resolution of foreign calls.

pkg/compiler/lib/src/enqueue.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.enqueue;
 
 import 'dart:collection' show
     Queue;
 
 import 'common/names.dart' show
@@ skipping 884 matching lines @@
     return super.onQueueEmpty(recentClasses);
   }
 
   void emptyDeferredTaskQueue() {
     while (!deferredTaskQueue.isEmpty) {
       DeferredTask task = deferredTaskQueue.removeFirst();
       compiler.withCurrentElement(task.element, task.action);
     }
   }
 
-  void registerJsCall(Send node, ResolverVisitor resolver) {
-    nativeEnqueuer.registerJsCall(node, resolver);
-  }
-
-  void registerJsEmbeddedGlobalCall(Send node, ResolverVisitor resolver) {
-    nativeEnqueuer.registerJsEmbeddedGlobalCall(node, resolver);
-  }
-
-  void registerJsBuiltinCall(Send node, ResolverVisitor resolver) {
-    nativeEnqueuer.registerJsBuiltinCall(node, resolver);
-  }
-
   void _logSpecificSummary(log(message)) {
     log('Resolved ${resolvedElements.length} elements.');
   }
 
   void forgetElement(Element element) {
     super.forgetElement(element);
     resolvedElements.remove(element);
   }
 }
 
@@ skipping 145 matching lines @@
   @override
   void processStaticUse(Enqueuer enqueuer, Element element) {
     enqueuer.registerStaticUseInternal(element);
   }
 
   @override
   void processSelector(Enqueuer enqueuer, UniverseSelector selector) {
     enqueuer.handleUnseenSelectorInternal(selector);
   }
 }