Remove checks on return value of sendXXX methods

Change-Id: If70aa381e377b832f0b44af97e19abf98f3941eb
Reviewed-by: Kurt Pattyn <pattyn.kurt@gmail.com>

examples/echoserver/echoserver.cpp

@@ -85,8 +85,7 @@ void EchoServer::processTextMessage(QString message)
 {
     QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
     if (pClient) {
-        qint64 bytesWritten = pClient->sendTextMessage(message);
-        Q_UNUSED(bytesWritten);
+        pClient->sendTextMessage(message);
     }
     m_pWebSocketServer->close();
 }
@@ -97,8 +96,7 @@ void EchoServer::processBinaryMessage(QByteArray message)
 {
     QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
     if (pClient) {
-        qint64 bytesWritten = pClient->sendBinaryMessage(message);
-        Q_UNUSED(bytesWritten);
+        pClient->sendBinaryMessage(message);
     }
 }
 //! [processBinaryMessage]

examples/simplechat/chatserver.cpp

@@ -89,8 +89,7 @@ void ChatServer::processMessage(QString message)
     {
         if (pClient != pSender) //don't echo message back to sender
         {
-            qint64 bytesWritten = pClient->sendTextMessage(message);
-            Q_UNUSED(bytesWritten);
+            pClient->sendTextMessage(message);
         }
     }
 }

examples/sslechoserver/sslechoserver.cpp

@@ -111,8 +111,7 @@ void SslEchoServer::processTextMessage(QString message)
     QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
     if (pClient)
     {
-        qint64 bytesWritten = pClient->sendTextMessage(message);
-        Q_UNUSED(bytesWritten);
+        pClient->sendTextMessage(message);
     }
 }
 //! [processTextMessage]
@@ -123,8 +122,7 @@ void SslEchoServer::processBinaryMessage(QByteArray message)
     QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
     if (pClient)
     {
-        qint64 bytesWritten = pClient->sendBinaryMessage(message);
-        Q_UNUSED(bytesWritten);
+        pClient->sendBinaryMessage(message);
     }
 }
 //! [processBinaryMessage]