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, 4 insertions, 4 deletions

diff --git a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
index bf3835d388..19927c5a8a 100644
--- a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
+++ b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
@@ -1451,8 +1451,8 @@ void tst_qqmllanguage::dynamicObjectProperties()
     QScopedPointer<QObject> object(component.create());
     QVERIFY(object != nullptr);
 
-    QCOMPARE(object->property("objectProperty"), qVariantFromValue((QObject*)nullptr));
-    QVERIFY(object->property("objectProperty2") != qVariantFromValue((QObject*)nullptr));
+    QCOMPARE(object->property("objectProperty"), QVariant::fromValue((QObject*)nullptr));
+    QVERIFY(object->property("objectProperty2") != QVariant::fromValue((QObject*)nullptr));
     }
     {
     QQmlComponent component(&engine, testFileUrl("dynamicObjectProperties.2.qml"));
@@ -1460,7 +1460,7 @@ void tst_qqmllanguage::dynamicObjectProperties()
     QScopedPointer<QObject> object(component.create());
     QVERIFY(object != nullptr);
 
-    QVERIFY(object->property("objectProperty") != qVariantFromValue((QObject*)nullptr));
+    QVERIFY(object->property("objectProperty") != QVariant::fromValue((QObject*)nullptr));
     }
 }
 
@@ -1729,7 +1729,7 @@ void tst_qqmllanguage::aliasProperties()
         // Write through alias
         MyQmlObject *v2 = new MyQmlObject();
         v2->setParent(object.data());
-        object->setProperty("aliasObject", qVariantFromValue(v2));
+        object->setProperty("aliasObject", QVariant::fromValue(v2));
         MyQmlObject *v3 =
             qvariant_cast<MyQmlObject *>(object->property("aliasObject"));
         QVERIFY(v3 != nullptr);