Do not expose set_pong_message on WinRT

Author: kavyako

Release/include/cpprest/ws_msg.h

@@ -73,14 +73,16 @@ class websocket_outgoing_message
 {
 public:
 
-	/// <summary>
-	/// Sets a the outgoing message to be an unsolicited pong message.
-	/// This is useful when the client side wants to check whether the server is alive.
-	/// </summary>
-	void set_pong_message()
-	{
-		this->set_message_pong();
-	}
+#if !defined(__cplusplus_winrt)
+    /// <summary>
+    /// Sets a the outgoing message to be an unsolicited pong message.
+    /// This is useful when the client side wants to check whether the server is alive.
+    /// </summary>
+    void set_pong_message()
+    {
+        this->set_message_pong();
+    }
+#endif
 
     /// <summary>
     /// Sets a UTF-8 message as the message body.
@@ -161,13 +163,15 @@ class websocket_outgoing_message
 
     const pplx::task_completion_event<void> & body_sent() const { return m_body_sent; }
 
+#if !defined(__cplusplus_winrt)
 	void set_message_pong()
 	{
-		concurrency::streams::container_buffer<std::string> buffer("");
+        concurrency::streams::container_buffer<std::string> buffer("");
 		m_msg_type = websocket_message_type::pong;
 		m_length = static_cast<size_t>(buffer.size());
 		m_body = buffer;
 	}
+#endif
 
     void set_message(const concurrency::streams::container_buffer<std::string> &buffer)
     {

Release/tests/functional/websockets/client/send_msg_tests.cpp

@@ -471,24 +471,25 @@ TEST_FIXTURE(uri_address, send_stream_binary_msg_no_length)
     client.close().wait();
 }
 
+#if !defined(__cplusplus_winrt)
 // Send an unsolicited pong message to the server
 TEST_FIXTURE(uri_address, send_pong_msg)
 {
-	test_websocket_server server;
-	websocket_client client;
-	send_pong_msg_helper(client, m_uri, server).wait();
-	client.close().wait();
+    test_websocket_server server;
+    websocket_client client;
+    send_pong_msg_helper(client, m_uri, server).wait();
+    client.close().wait();
 }
 
 // Send an unsolicited pong message to the server with websocket_callback_client
 TEST_FIXTURE(uri_address, send_pong_msg_callback_client)
 {
-	test_websocket_server server;
-	websocket_callback_client client;
-	send_pong_msg_helper(client, m_uri, server).wait();
-	client.close().wait();
+    test_websocket_server server;
+    websocket_callback_client client;
+    send_pong_msg_helper(client, m_uri, server).wait();
+    client.close().wait();
 }
-
+#endif
 
 } // SUITE(send_msg_tests)