Check in executable for iOS test launcher

base/test/launcher/test_launcher_ios.cc

Index: base/test/launcher/test_launcher_ios.cc
diff --git a/components/proximity_auth/run_all_unittests.cc b/base/test/launcher/test_launcher_ios.cc
similarity index 57%
copy from components/proximity_auth/run_all_unittests.cc
copy to base/test/launcher/test_launcher_ios.cc
index 959989c9985d7c03acc5eaed5260200f44f7bd55..38e4ef9aa916ceca2d49d2f043cf65c1a3d6f6c3 100644
--- a/components/proximity_auth/run_all_unittests.cc
+++ b/base/test/launcher/test_launcher_ios.cc
@@ -2,14 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/test/launcher/test_launcher.h"
+
 #include "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
-#include "base/test/test_suite.h"
+
+namespace {
+
+int DummyRunTestSuite(void) {
+  return -1;
+}
+
+}  // namespace
 
 int main(int argc, char** argv) {
-  base::TestSuite test_suite(argc, argv);
-  return base::LaunchUnitTests(
-      argc,
-      argv,
-      base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
+  return base::LaunchUnitTests(argc, argv, base::Bind(&DummyRunTestSuite));
 }