More work on logging - new classes and timers.

pkg/analyzer/test/generated/incremental_resolver_test.dart

Index: pkg/analyzer/test/generated/incremental_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/incremental_resolver_test.dart b/pkg/analyzer/test/generated/incremental_resolver_test.dart
index daf68fde7a16ceee67a4b8d6b18222a814b77989..00d3f30c88b5169dc523c728119bcd7fe679b777 100644
--- a/pkg/analyzer/test/generated/incremental_resolver_test.dart
+++ b/pkg/analyzer/test/generated/incremental_resolver_test.dart
@@ -9,6 +9,7 @@ import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/incremental_resolver.dart';
+import 'package:analyzer/src/generated/incremental_logger.dart' as log;
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/parser.dart';
 import 'package:analyzer/src/generated/resolver.dart';
@@ -2726,6 +2727,8 @@ f3() {
   void _resetWithIncremental(bool enable) {
     AnalysisOptionsImpl analysisOptions = new AnalysisOptionsImpl();
     analysisOptions.incremental = enable;
+//    log.logger = log.PRINT_LOGGER;
+    log.logger = log.NULL_LOGGER;
     analysisContext2.analysisOptions = analysisOptions;
   }