Mojo: Move public/tests/test_{support,utils}.* to public/{c,cpp}/test_support.

mojo/public/cpp/test_support/test_utils.h

Index: mojo/public/cpp/test_support/test_utils.h
diff --git a/mojo/public/tests/test_utils.h b/mojo/public/cpp/test_support/test_utils.h
similarity index 89%
rename from mojo/public/tests/test_utils.h
rename to mojo/public/cpp/test_support/test_utils.h
index 300c1b71e4a292909b96eba5a92b7aa5cac2c673..43a3ea998212f12ba4754d7c38f2a90994d6a2a5 100644
--- a/mojo/public/tests/test_utils.h
+++ b/mojo/public/cpp/test_support/test_utils.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_PUBLIC_TESTS_TEST_UTILS_H_
-#define MOJO_PUBLIC_TESTS_TEST_UTILS_H_
+#ifndef MOJO_PUBLIC_CPP_TEST_SUPPORT_TEST_UTILS_H_
+#define MOJO_PUBLIC_CPP_TEST_SUPPORT_TEST_UTILS_H_
 
 #include <string>
 
@@ -36,4 +36,4 @@ void IterateAndReportPerf(const char* test_name,
 }  // namespace test
 }  // namespace mojo
 
-#endif  // MOJO_PUBLIC_TESTS_TEST_UTILS_H_
+#endif  // MOJO_PUBLIC_CPP_TEST_SUPPORT_TEST_UTILS_H_