Mojo: add mojo_message_pipe_perftests

mojo/system/BUILD.gn

Index: mojo/system/BUILD.gn
diff --git a/mojo/system/BUILD.gn b/mojo/system/BUILD.gn
index d8dcb75959e7a0f8ebb9eb6ac8fae409353efcf7..85faf7b97334e0008b893afb0d69bbbcb809b45c 100644
--- a/mojo/system/BUILD.gn
+++ b/mojo/system/BUILD.gn
@@ -103,6 +103,8 @@ test("mojo_system_unittests") {
     "local_data_pipe_unittest.cc",
     "memory_unittest.cc",
     "message_pipe_dispatcher_unittest.cc",
+    "message_pipe_test_utils.h",
+    "message_pipe_test_utils.cc",
     "message_pipe_unittest.cc",
     "multiprocess_message_pipe_unittest.cc",
     "options_validation_unittest.cc",
@@ -120,3 +122,23 @@ test("mojo_system_unittests") {
     "waiter_unittest.cc",
   ]
 }
+
+# GYP version: mojo/mojo_base.gyp:mojo_message_pipe_perftests
+test("mojo_message_pipe_perftests") {
+  deps = [
+    ":system",
+    "//base",
+    "//base/test:test_support",
+    "//base/test:test_support_perf",
+    "//mojo/common/test:test_support",
+    "//testing/gtest",
+  ]
+
+  sources = [
+    "message_pipe_perftest.cc",
+    "message_pipe_test_utils.h",
+    "message_pipe_test_utils.cc",
+    "test_utils.cc",
+    "test_utils.h",
+  ]
+}