Index: ext/googletest/googletest/samples/sample6_unittest.cc
===================================================================
diff -u -N -r4a481bbe77043e0bda2435c6d62a02700b3e46c5 -r3d5880c6661c3ed500e0c1c739a923ae9ede0364
--- ext/googletest/googletest/samples/sample6_unittest.cc	(.../sample6_unittest.cc)	(revision 4a481bbe77043e0bda2435c6d62a02700b3e46c5)
+++ ext/googletest/googletest/samples/sample6_unittest.cc	(.../sample6_unittest.cc)	(revision 3d5880c6661c3ed500e0c1c739a923ae9ede0364)
@@ -26,17 +26,16 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Author: wan@google.com (Zhanyong Wan)
 
+
 // This sample shows how to test common properties of multiple
 // implementations of the same interface (aka interface tests).
 
 // The interface and its implementations are in this header.
 #include "prime_tables.h"
 
 #include "gtest/gtest.h"
-
+namespace {
 // First, we define some factory functions for creating instances of
 // the implementations.  You may be able to skip this step if all your
 // implementations can be constructed the same way.
@@ -222,3 +221,4 @@
                               PrimeTableImplementations);  // Type list
 
 #endif  // GTEST_HAS_TYPED_TEST_P
+}  // namespace