QtNetwork: use const (and const APIs) more

For CoW types, prefer const methods to avoid needless detach()ing.

Mark predictNextRequest() as const, because this method
does not modify the object.

Change-Id: Ic94e2b31445ece46ab1423bf5b5f4e66d9a5b6ca
Reviewed-by: Edward Welbourne <edward.welbourne@theqtcompany.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/network/access/qhttpnetworkconnection_p.h b/src/network/access/qhttpnetworkconnection_p.h
index 3937ef0e87..e05bc1df74 100644
--- a/src/network/access/qhttpnetworkconnection_p.h
+++ b/src/network/access/qhttpnetworkconnection_p.h
@@ -213,7 +213,7 @@ public:
     void requeueRequest(const HttpMessagePair &pair); // e.g. after pipeline broke
     bool dequeueRequest(QAbstractSocket *socket);
     void prepareRequest(HttpMessagePair &request);
-    QHttpNetworkRequest predictNextRequest();
+    QHttpNetworkRequest predictNextRequest() const;
 
     void fillPipeline(QAbstractSocket *socket);
     bool fillPipeline(QList<HttpMessagePair> &queue, QHttpNetworkConnectionChannel &channel);