Index: ext/googletest/googletest/samples/sample1_unittest.cc
===================================================================
diff -u -N -r4a481bbe77043e0bda2435c6d62a02700b3e46c5 -r2e4eacb299f21d06196fe13140b4b0d095abdca9
--- ext/googletest/googletest/samples/sample1_unittest.cc	(.../sample1_unittest.cc)	(revision 4a481bbe77043e0bda2435c6d62a02700b3e46c5)
+++ ext/googletest/googletest/samples/sample1_unittest.cc	(.../sample1_unittest.cc)	(revision 2e4eacb299f21d06196fe13140b4b0d095abdca9)
@@ -28,10 +28,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // A sample program demonstrating using Google C++ testing framework.
-//
-// Author: wan@google.com (Zhanyong Wan)
 
-
 // This sample shows how to write a simple unit test for a function,
 // using Google C++ testing framework.
 //
@@ -46,8 +43,8 @@
 #include <limits.h>
 #include "sample1.h"
 #include "gtest/gtest.h"
+namespace {
 
-
 // Step 2. Use the TEST macro to define your tests.
 //
 // TEST has two parameters: the test case name and the test name.
@@ -139,6 +136,7 @@
   EXPECT_FALSE(IsPrime(6));
   EXPECT_TRUE(IsPrime(23));
 }
+}  // namespace
 
 // Step 3. Call RUN_ALL_TESTS() in main().
 //