Create LookupMapAnalysis late.

pkg/compiler/lib/src/js_backend/codegen_listener.dart

 // Copyright (c) 2017, 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 js_backend.backend.codegen_listener;
 
 import '../common.dart';
 import '../common/backend_api.dart';
 import '../common/names.dart' show Identifiers;
 import '../common_elements.dart' show CommonElements, ElementEnvironment;
@@ skipping 155 matching lines @@
           _impacts.noSuchMethodSupport.createImpact(_elementEnvironment));
       _noSuchMethodEnabledForCodegen = true;
     }
 
     if (!enqueuer.queueIsEmpty) return false;
 
     _mirrorsAnalysis.onQueueEmpty(enqueuer, recentClasses);
     return true;
   }
 
+  @override
+  void onQueueClosed() {
+    _lookupMapAnalysis.onQueueClosed();
+  }
+
   /// Adds the impact of [constant] to [impactBuilder].
   void _computeImpactForCompileTimeConstant(
       ConstantValue constant, WorldImpactBuilder impactBuilder) {
     _computeImpactForCompileTimeConstantInternal(constant, impactBuilder);
 
     if (_lookupMapAnalysis.isLookupMap(constant)) {
       // Note: internally, this registration will temporarily remove the
       // constant dependencies and add them later on-demand.
       _lookupMapAnalysis.registerLookupMapReference(constant);
     }
@@ skipping 147 matching lines @@
   @override
   WorldImpact registerImplementedClass(ClassEntity cls) {
     return _processClass(cls);
   }
 
   @override
   WorldImpact registerInstantiatedClass(ClassEntity cls) {
     return _processClass(cls);
   }
 
+  @override
   void logSummary(void log(String message)) {
+    _lookupMapAnalysis.logSummary(log);
     _nativeEnqueuer.logSummary(log);
   }
 }