Merge QueueFilter with EnqueuerStrategy

pkg/compiler/lib/src/compiler.dart

Index: pkg/compiler/lib/src/compiler.dart
diff --git a/pkg/compiler/lib/src/compiler.dart b/pkg/compiler/lib/src/compiler.dart
index 457ff5b5973642390000c359bf61b850b7463fc9..fe27108d2f46add922ab5df6700d6a3f93e76400 100644
--- a/pkg/compiler/lib/src/compiler.dart
+++ b/pkg/compiler/lib/src/compiler.dart
@@ -35,8 +35,7 @@ import 'diagnostics/messages.dart' show Message, MessageTemplate;
 import 'dump_info.dart' show DumpInfoTask;
 import 'elements/elements.dart';
 import 'elements/modelx.dart' show ErroneousElementX;
-import 'enqueue.dart'
-    show Enqueuer, EnqueueTask, ResolutionEnqueuer, QueueFilter;
+import 'enqueue.dart' show Enqueuer, EnqueueTask, ResolutionEnqueuer;
 import 'environment.dart';
 import 'id_generator.dart';
 import 'io/source_information.dart' show SourceInformation;
@@ -181,9 +180,6 @@ abstract class Compiler implements LibraryLoaderListener {
   MirrorUsageAnalyzerTask mirrorUsageAnalyzerTask;
   DumpInfoTask dumpInfoTask;
 
-  /// A customizable filter that is applied to enqueued work items.
-  QueueFilter enqueuerFilter = new QueueFilter();
-
   bool get hasFunctionApplySupport => resolverWorld.hasFunctionApplySupport;
   bool get hasIsolateSupport => resolverWorld.hasIsolateSupport;