remove stdcxx namespace and use std directly
diff --git a/lib/cpp/test/concurrency/RWMutexStarveTest.cpp b/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
index 849e078..985a230 100644
--- a/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
+++ b/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
@@ -23,9 +23,9 @@
 
 #include "thrift/concurrency/Mutex.h"
 #include "thrift/concurrency/PosixThreadFactory.h"
-#include <thrift/stdcxx.h>
+#include <memory>
 
-using apache::thrift::stdcxx::shared_ptr;
+using std::shared_ptr;
 using boost::unit_test::test_suite;
 using boost::unit_test::framework::master_test_suite;
 
diff --git a/lib/cpp/test/concurrency/ThreadFactoryTests.h b/lib/cpp/test/concurrency/ThreadFactoryTests.h
index 48330f3..ba98502 100644
--- a/lib/cpp/test/concurrency/ThreadFactoryTests.h
+++ b/lib/cpp/test/concurrency/ThreadFactoryTests.h
@@ -33,7 +33,7 @@
 namespace concurrency {
 namespace test {
 
-using stdcxx::shared_ptr;
+using std::shared_ptr;
 using namespace apache::thrift::concurrency;
 
 /**
diff --git a/lib/cpp/test/concurrency/ThreadManagerTests.h b/lib/cpp/test/concurrency/ThreadManagerTests.h
index 15a43ff..d6c092d 100644
--- a/lib/cpp/test/concurrency/ThreadManagerTests.h
+++ b/lib/cpp/test/concurrency/ThreadManagerTests.h
@@ -36,8 +36,8 @@
 
 using namespace apache::thrift::concurrency;
 
-static std::deque<stdcxx::shared_ptr<Runnable> > m_expired;
-static void expiredNotifier(stdcxx::shared_ptr<Runnable> runnable)
+static std::deque<std::shared_ptr<Runnable> > m_expired;
+static void expiredNotifier(std::shared_ptr<Runnable> runnable)
 {
   m_expired.push_back(runnable);
 }
@@ -452,7 +452,7 @@
     std::cout << "\t\t\t\tstarting.. " << std::endl;
 
     threadManager->start();
-    threadManager->setExpireCallback(expiredNotifier); // apache::thrift::stdcxx::bind(&ThreadManagerTests::expiredNotifier, this));
+    threadManager->setExpireCallback(expiredNotifier); // std::bind(&ThreadManagerTests::expiredNotifier, this));
 
 #define EXPECT(FUNC, COUNT) { size_t c = FUNC; if (c != COUNT) { std::cerr << "expected " #FUNC" to be " #COUNT ", but was " << c << std::endl; return false; } }