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

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 681576b6025135c8c4b593868beb11ce83b49c9a..b08e5b84ed6251f138590956c691245dda8a06e7 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -384,12 +384,12 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
     case CSSPropertyWebkitUserDrag: return 337;
     case CSSPropertyWebkitUserModify: return 338;
     case CSSPropertyWebkitUserSelect: return 339;
-    case CSSPropertyWebkitFlowInto: return 340;
-    case CSSPropertyWebkitFlowFrom: return 341;
-    case CSSPropertyWebkitRegionFragment: return 342;
-    case CSSPropertyWebkitRegionBreakAfter: return 343;
-    case CSSPropertyWebkitRegionBreakBefore: return 344;
-    case CSSPropertyWebkitRegionBreakInside: return 345;
+    // case CSSPropertyWebkitFlowInto: return 340;
+    // case CSSPropertyWebkitFlowFrom: return 341;
+    // case CSSPropertyWebkitRegionFragment: return 342;
+    // case CSSPropertyWebkitRegionBreakAfter: return 343;
+    // case CSSPropertyWebkitRegionBreakBefore: return 344;
+    // case CSSPropertyWebkitRegionBreakInside: return 345;
     case CSSPropertyShapeInside: return 346;
     case CSSPropertyShapeOutside: return 347;
     case CSSPropertyShapeMargin: return 348;