Change Enqueuer to use Entity instead of Element.

pkg/compiler/lib/src/compiler.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.compiler_base;
 
 import 'dart:async' show EventSink, Future;
 
 import '../compiler_new.dart' as api;
 import 'cache_strategy.dart' show CacheStrategy;
@@ skipping 890 matching lines @@
    * processing the queues). Also compute the number of methods that
    * were resolved, but not compiled (aka excess resolution).
    */
   checkQueues() {
     for (Enqueuer world in [enqueuer.resolution, enqueuer.codegen]) {
       world.forEach((WorkItem work) {
         reporter.internalError(work.element, "Work list is not empty.");
       });
     }
     if (!REPORT_EXCESS_RESOLUTION) return;
-    var resolved = new Set.from(enqueuer.resolution.processedElements);
+    var resolved = new Set.from(enqueuer.resolution.processedEntities);
     for (Element e in enqueuer.codegen.processedEntities) {
       resolved.remove(e);
     }
     for (Element e in new Set.from(resolved)) {
       if (e.isClass ||
           e.isField ||
           e.isTypeVariable ||
           e.isTypedef ||
           identical(e.kind, ElementKind.ABSTRACT_FIELD)) {
         resolved.remove(e);
@@ skipping 10 matching lines @@
       reporter.reportWarningMessage(e, MessageKind.GENERIC,
           {'text': 'Warning: $e resolved but not compiled.'});
     }
   }
 
   void showResolutionProgress() {
     if (shouldPrintProgress) {
       // TODO(ahe): Add structured diagnostics to the compiler API and
       // use it to separate this from the --verbose option.
       assert(phase == PHASE_RESOLVING);
-      reporter.log('Resolved ${enqueuer.resolution.processedElements.length} '
+      reporter.log('Resolved ${enqueuer.resolution.processedEntities.length} '
           'elements.');
       progress.reset();
     }
   }
 
   void showCodegenProgress() {
     if (shouldPrintProgress) {
       // TODO(ahe): Add structured diagnostics to the compiler API and
       // use it to separate this from the --verbose option.
       reporter.log(
@@ skipping 153 matching lines @@
       if (slashPos != -1) {
         String packageName = libraryUri.path.substring(0, slashPos);
         return new Uri(scheme: 'package', path: packageName);
       }
     }
     return libraryUri;
   }
 
   void forgetElement(Element element) {
     resolution.forgetElement(element);
-    enqueuer.forgetElement(element);
+    enqueuer.forgetEntity(element);
     if (element is MemberElement) {
       for (Element closure in element.nestedClosures) {
         // TODO(ahe): It would be nice to reuse names of nested closures.
         closureToClassMapper.forgetElement(closure);
       }
     }
     backend.forgetElement(element);
   }
 
   /// Returns [true] if a compile-time error has been reported for element.
@@ skipping 1121 matching lines @@
   _ElementScanner(this.scanner);
   void scanLibrary(LibraryElement library) => scanner.scanLibrary(library);
   void scanUnit(CompilationUnitElement unit) => scanner.scan(unit);
 }
 
 class _EmptyEnvironment implements Environment {
   const _EmptyEnvironment();
 
   String valueOf(String key) => null;
 }