Add support for the object-position CSS property.

Source/core/page/RuntimeCSSEnabled.cpp

Index: Source/core/page/RuntimeCSSEnabled.cpp
diff --git a/Source/core/page/RuntimeCSSEnabled.cpp b/Source/core/page/RuntimeCSSEnabled.cpp
index cb66f2e410bcd64054859451c7b8762240db2644..e85b3c6b440ce7ff0a22eafe18c4276c27e0ac3f 100644
--- a/Source/core/page/RuntimeCSSEnabled.cpp
+++ b/Source/core/page/RuntimeCSSEnabled.cpp
@@ -92,13 +92,17 @@ static void setPropertySwitchesFromRuntimeFeatures()
         CSSPropertyGridTemplate
     };
     setCSSPropertiesEnabled(cssGridLayoutProperties, WTF_ARRAY_LENGTH(cssGridLayoutProperties), RuntimeEnabledFeatures::cssGridLayoutEnabled());
+    CSSPropertyID cssObjectFitPositionProperties[] = {
+        CSSPropertyObjectFit,
+        CSSPropertyObjectPosition
+    };
+    setCSSPropertiesEnabled(cssObjectFitPositionProperties, WTF_ARRAY_LENGTH(cssObjectFitPositionProperties), RuntimeEnabledFeatures::objectFitPositionEnabled());
 
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyBackgroundBlendMode, RuntimeEnabledFeatures::cssCompositingEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyMixBlendMode, RuntimeEnabledFeatures::cssCompositingEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyTouchAction, RuntimeEnabledFeatures::cssTouchActionEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyPaintOrder, RuntimeEnabledFeatures::svgPaintOrderEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyVariable, RuntimeEnabledFeatures::cssVariablesEnabled());
-    RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyObjectFit, RuntimeEnabledFeatures::objectFitPositionEnabled());
 }
 
 static BoolVector& propertySwitches()