Test virtual interface [NOT FOR REVIEW]

components/tracing/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//testing/test.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 component("tracing") {
   sources = [
     "child/child_memory_dump_manager_delegate_impl.cc",
@@ skipping 105 matching lines @@
     sources += [ "browser/trace_config_file_unittest.cc" ]
     deps += [ ":startup_tracing" ]
   }
 }
 
 test("tracing_perftests") {
   sources = [
     "test/perf_test_helpers.cc",
     "test/perf_test_helpers.h",
     "test/trace_event_perftest.cc",
+    "test/tracing_interface_simulator.cc",
+    "test/tracing_interface_simulator.h",
   ]
   deps = [
     "//base:base",
     "//base/test:test_support",
     "//base/test:test_support_perf",
     "//testing/gtest",
     "//testing/perf",
   ]
 
   data = [
     # Needed for isolate script to execute.
     "//testing/scripts/common.py",
     "//testing/xvfb.py",
     "//testing/scripts/run_gtest_perf_test.py",
     "//tools/perf/generate_legacy_perf_dashboard_json.py",
   ]
 
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }