Update from chromium https://crrev.com/302282

base/test/launcher/test_launcher_ios.cc

Index: base/test/launcher/test_launcher_ios.cc
diff --git a/mojo/services/public/cpp/view_manager/lib/view_manager_unittests.cc b/base/test/launcher/test_launcher_ios.cc
similarity index 53%
copy from mojo/services/public/cpp/view_manager/lib/view_manager_unittests.cc
copy to base/test/launcher/test_launcher_ios.cc
index 9f4f1094e393fd3dd2c75ec2480b37567431fd3e..38e4ef9aa916ceca2d49d2f043cf65c1a3d6f6c3 100644
--- a/mojo/services/public/cpp/view_manager/lib/view_manager_unittests.cc
+++ b/base/test/launcher/test_launcher_ios.cc
@@ -2,13 +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 "mojo/services/public/cpp/view_manager/lib/view_manager_test_suite.h"
 
-int main(int argc, char** argv) {
-  mojo::ViewManagerTestSuite test_suite(argc, argv);
+namespace {
+
+int DummyRunTestSuite(void) {
+  return -1;
+}
+
+}  // namespace
 
-  return base::LaunchUnitTests(
-      argc, argv, base::Bind(&TestSuite::Run, base::Unretained(&test_suite)));
+int main(int argc, char** argv) {
+  return base::LaunchUnitTests(argc, argv, base::Bind(&DummyRunTestSuite));
 }