Test virtual interface [NOT FOR REVIEW]

components/tracing/test/trace_event_perftest.cc

Index: components/tracing/test/trace_event_perftest.cc
diff --git a/components/tracing/test/trace_event_perftest.cc b/components/tracing/test/trace_event_perftest.cc
index 721c3aa43f9e781debcd923c4619fc3bf6609913..64ab973ea297e180c366f9f4690c6665ade6e0db 100644
--- a/components/tracing/test/trace_event_perftest.cc
+++ b/components/tracing/test/trace_event_perftest.cc
@@ -12,6 +12,7 @@
 #include "base/trace_event/trace_event_argument.h"
 #include "perf_test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "tracing_interface_simulator.h"
 
 namespace tracing {
 namespace {
@@ -187,5 +188,30 @@ TEST_F(TraceEventPerfTest, Submit_10000_TRACE_EVENT0_with_tracing_disabled) {
   SubmitTraceEvents(10000);
 }
 
+TEST_F(TraceEventPerfTest, Submit_50000_TRACE_EVENT_TEST_via_virtual_calls) {
+  BeginTrace();
+  InitTracingInterface();
+  IterableStopwatch stopwatch("events");
+  for (int lap = 0; lap < kNumRuns; lap++) {
+    for (int i = 0; i < 50000; i++) {
+      TRACE_EVENT_VIRTUAL_TEST("test_category", "test call");
+    }
+    stopwatch.NextLap();
+  }
+  EndTraceAndFlush();
+}
+
+TEST_F(TraceEventPerfTest, Submit_50000_TRACE_EVENT_TEST_via_direct_calls) {
+  BeginTrace();
+  IterableStopwatch stopwatch("events");
+  for (int lap = 0; lap < kNumRuns; lap++) {
+    for (int i = 0; i < 50000; i++) {
+      TRACE_EVENT_DIRECT_TEST("test_category", "test call");
+    }
+    stopwatch.NextLap();
+  }
+  EndTraceAndFlush();
+}
+
 }  // namespace
 }  // namespace tracing