Fix deprecation warnings about QVariant API

Fix warnings like:
sruntime/qv4serialize.cpp:378:45: warning: 'QVariant qVariantFromValue(const T&) [with T = QQmlListModelWorkerAgent::VariantRef]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
qml/qqmlvmemetaobject.cpp:597:61: warning: 'QVariant qVariantFromValue(const T&) [with T = QList<QObject*>]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
jsruntime/qv4engine.cpp:1319:66: warning: 'QVariant qVariantFromValue(const T&) [with T = QObject*]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
jsruntime/qv4engine.cpp:1350:60: warning: 'QVariant qVariantFromValue(const T&) [with T = QList<QObject*>]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickitem.cpp:8396:78: warning: 'QVariant qVariantFromValue(const T&) [with T = QObject*]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickitem.cpp:8693:80: warning: 'QVariant qVariantFromValue(const T&) [with T = QObject*]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickgenericshadereffect.cpp:126:69: warning: 'QVariant qVariantFromValue(const T&) [with T = QObject*]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickgenericshadereffect.cpp:127:55: warning: 'QVariant qVariantFromValue(const T&) [with T = QSize]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickopenglshadereffect.cpp:713:69: warning: 'QVariant qVariantFromValue(const T&) [with T = QObject*]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
items/qquickopenglshadereffect.cpp:714:55: warning: 'QVariant qVariantFromValue(const T&) [with T = QSize]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
qquickcustomparticle.cpp:416:89: warning: 'QVariant qVariantFromValue(const T&) [with T = double]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]
qqmlenginedebugclient.cpp:403:47: warning: 'QVariant qVariantFromValue(const T&) [with T = QQmlEngineDebugObjectReference]' is deprecated: Use QVariant::fromValue() instead. [-Wdeprecated-declarations]

Task-number: QTBUG-74043
Change-Id: I14cb7d7c1fb8dc6321e32208a7de15f6bdb19065
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/auto/quick/qquickanchors/tst_qquickanchors.cpp b/tests/auto/quick/qquickanchors/tst_qquickanchors.cpp
index 77fa1292c4..128a154492 100644
--- a/tests/auto/quick/qquickanchors/tst_qquickanchors.cpp
+++ b/tests/auto/quick/qquickanchors/tst_qquickanchors.cpp
@@ -364,7 +364,7 @@ void tst_qquickanchors::reset()
     const QMetaObject *meta = itemPrivate->anchors()->metaObject();
     QMetaProperty p = meta->property(meta->indexOfProperty(side.toUtf8().constData()));
 
-    QVERIFY(p.write(itemPrivate->anchors(), qVariantFromValue(anchorLine)));
+    QVERIFY(p.write(itemPrivate->anchors(), QVariant::fromValue(anchorLine)));
     QCOMPARE(itemPrivate->anchors()->usedAnchors().testFlag(anchor), true);
 
     QVERIFY(p.reset(itemPrivate->anchors()));
@@ -423,7 +423,7 @@ void tst_qquickanchors::nullItem()
     QMetaProperty p = meta->property(meta->indexOfProperty(side.toUtf8().constData()));
 
     QTest::ignoreMessage(QtWarningMsg, "<Unknown File>: QML Item: Cannot anchor to a null item.");
-    QVERIFY(p.write(itemPrivate->anchors(), qVariantFromValue(anchor)));
+    QVERIFY(p.write(itemPrivate->anchors(), QVariant::fromValue(anchor)));
 
     delete item;
 }