tracing: simplify lifetime of TraceEventFilter(s)

base/trace_event/trace_event_filter_test_utils.h

Index: base/trace_event/trace_event_filter_test_utils.h
diff --git a/base/trace_event/trace_event_filter_test_utils.h b/base/trace_event/trace_event_filter_test_utils.h
index 419068b221ace663d1e26ba80a074c1026c27f23..38b442e2fe6377b09713bf7415f72c98ce95bc8e 100644
--- a/base/trace_event/trace_event_filter_test_utils.h
+++ b/base/trace_event/trace_event_filter_test_utils.h
@@ -22,15 +22,17 @@ class TestEventFilter : public TraceEventFilter {
     void Reset();
     size_t filter_trace_event_hit_count;
     size_t end_event_hit_count;
+    size_t dtor_hit_count;
   };
 
   static const char kName[];
 
   // Factory method for TraceLog::SetFilterFactoryForTesting().
   static std::unique_ptr<TraceEventFilter> Factory(
-      const std::string& predicate_name);
+      const std::string& predicate_name,
+      std::unique_ptr<TraceEventFilter::Config>);
 
-  TestEventFilter();
+  TestEventFilter(std::unique_ptr<TraceEventFilter::Config>);
   ~TestEventFilter() override;
 
   // TraceEventFilter implementation.