move Read/Write() to common code, there was almost nothing platform-specific in it

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57613 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/private/sockmsw.h

@@ -39,9 +39,6 @@ public:
 
     virtual wxSocketError GetLastError() const;
 
-    virtual int Read(void *buffer, int size);
-    virtual int Write(const void *buffer, int size);
-
 private:
     virtual void DoClose();
 
@@ -52,11 +49,6 @@ private:
         wxSocketManager::Get()->Install_Callback(this);
     }
 
-    int Recv_Stream(void *buffer, int size);
-    int Recv_Dgram(void *buffer, int size);
-    int Send_Stream(const void *buffer, int size);
-    int Send_Dgram(const void *buffer, int size);
-
     int m_msgnumber;
 
     friend class wxSocketMSWManager;