Fix some compiler warnings

- Remove deprecated Qt::AA_EnableHighDpiScaling and Qt::AA_UseHighDpiPixmaps
  from examples. High-DPI scaling is always enabled.
- Reorder initialization of members of QWebEngineDownloadRequestPrivate.
  Also remove m_ prefix from public members' name.
- Remove unused parameters from methods of DummyDelegate.
- Add missing overrides in auto tests.

Change-Id: I18d6973b8bee574b37b73fbaaa8d57002ac8ba2d
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit 740b8c94f27930a33298c81c2284d1f0a9e2f11b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/core/api/qwebenginedownloadrequest_p.h b/src/core/api/qwebenginedownloadrequest_p.h
index db2e70852..49980dbb8 100644
--- a/src/core/api/qwebenginedownloadrequest_p.h
+++ b/src/core/api/qwebenginedownloadrequest_p.h
@@ -90,8 +90,8 @@ public:
     qint64 receivedBytes;
     bool isSavePageDownload;
     QWebEngineDownloadRequest *q_ptr;
-    QPointer<QtWebEngineCore::ProfileAdapter> m_profileAdapter;
-    QtWebEngineCore::WebContentsAdapterClient *m_adapterClient;
+    QPointer<QtWebEngineCore::ProfileAdapter> profileAdapter;
+    QtWebEngineCore::WebContentsAdapterClient *adapterClient;
     Q_DECLARE_PUBLIC(QWebEngineDownloadRequest)
 };