*** DO NOT LAND *** Attempt to understand Regions complexity

Source/core/css/RuntimeCSSEnabled.cpp

Index: Source/core/css/RuntimeCSSEnabled.cpp
diff --git a/Source/core/css/RuntimeCSSEnabled.cpp b/Source/core/css/RuntimeCSSEnabled.cpp
index c05d3c56e644365d2faa4f496f857970f4444da3..65abf234bd2da4e0b3a0da481387bd498efc1b18 100644
--- a/Source/core/css/RuntimeCSSEnabled.cpp
+++ b/Source/core/css/RuntimeCSSEnabled.cpp
@@ -45,15 +45,6 @@ static void setCSSPropertiesEnabled(CSSPropertyID* properties, size_t length, bo
 
 static void setPropertySwitchesFromRuntimeFeatures()
 {
-    CSSPropertyID regionProperites[] = {
-        CSSPropertyWebkitFlowInto,
-        CSSPropertyWebkitFlowFrom,
-        CSSPropertyWebkitRegionFragment,
-        CSSPropertyWebkitRegionBreakAfter,
-        CSSPropertyWebkitRegionBreakBefore,
-        CSSPropertyWebkitRegionBreakInside
-    };
-    setCSSPropertiesEnabled(regionProperites, WTF_ARRAY_LENGTH(regionProperites), RuntimeEnabledFeatures::cssRegionsEnabled());
     CSSPropertyID exclusionProperties[] = {
         CSSPropertyWebkitWrapFlow,
         CSSPropertyWebkitWrapThrough,
@@ -123,7 +114,6 @@ static void setPropertySwitchesFromRuntimeFeatures()
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyPaintOrder, RuntimeEnabledFeatures::svgPaintOrderEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyVariable, RuntimeEnabledFeatures::cssVariablesEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyMaskSourceType, RuntimeEnabledFeatures::cssMaskSourceTypeEnabled());
-    RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyColumnFill, RuntimeEnabledFeatures::regionBasedColumnsEnabled());
 
     // InternalCallback is an implementation detail, rather than an experimental feature, and should never be exposed to the web.
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyInternalCallback, false);