*** NOT FOR LANDING *** Unprefix multicol behind a flag

Source/core/animation/StringKeyframe.cpp

Index: Source/core/animation/StringKeyframe.cpp
diff --git a/Source/core/animation/StringKeyframe.cpp b/Source/core/animation/StringKeyframe.cpp
index 76e4fcf7843944e1b8c7d0418a1923e5d4df1720..4dde85a2e47bb6f58fc9957b4bcaa7a2c20aed65 100644
--- a/Source/core/animation/StringKeyframe.cpp
+++ b/Source/core/animation/StringKeyframe.cpp
@@ -126,10 +126,10 @@ InterpolationRange setRange(CSSPropertyID id)
 {
     switch (id) {
     case CSSPropertyOrphans:
-    case CSSPropertyWebkitColumnCount:
+    case CSSPropertyColumnCount:
     case CSSPropertyWidows:
         return RangeRoundGreaterThanOrEqualToOne;
-    case CSSPropertyWebkitColumnRuleWidth:
+    case CSSPropertyColumnRuleWidth:
     case CSSPropertyZIndex:
         return RangeRound;
     case CSSPropertyFloodOpacity:
@@ -212,8 +212,8 @@ PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::CSSPropertySpecificKeyfram
     case CSSPropertyStrokeWidth:
     case CSSPropertyWebkitBorderHorizontalSpacing:
     case CSSPropertyWebkitBorderVerticalSpacing:
-    case CSSPropertyWebkitColumnGap:
-    case CSSPropertyWebkitColumnWidth:
+    case CSSPropertyColumnGap:
+    case CSSPropertyColumnWidth:
     case CSSPropertyWidth:
         range = RangeNonNegative;
         // Fall through
@@ -234,7 +234,7 @@ PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::CSSPropertySpecificKeyfram
     case CSSPropertyTop:
     case CSSPropertyVerticalAlign:
     case CSSPropertyWordSpacing:
-    case CSSPropertyWebkitColumnRuleWidth:
+    case CSSPropertyColumnRuleWidth:
     case CSSPropertyWebkitPerspectiveOriginX:
     case CSSPropertyWebkitPerspectiveOriginY:
     case CSSPropertyWebkitTransformOriginX:
@@ -257,7 +257,7 @@ PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::CSSPropertySpecificKeyfram
     case CSSPropertyOrphans:
     case CSSPropertyWidows:
     case CSSPropertyZIndex:
-    case CSSPropertyWebkitColumnCount:
+    case CSSPropertyColumnCount:
     case CSSPropertyShapeImageThreshold:
     case CSSPropertyFillOpacity:
     case CSSPropertyFloodOpacity:
@@ -295,7 +295,7 @@ PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::CSSPropertySpecificKeyfram
     case CSSPropertyStopColor:
     case CSSPropertyStroke:
     case CSSPropertyTextDecorationColor:
-    case CSSPropertyWebkitColumnRuleColor:
+    case CSSPropertyColumnRuleColor:
     case CSSPropertyWebkitTextStrokeColor:
         {
             RefPtrWillBeRawPtr<Interpolation> interpolation = ColorStyleInterpolation::maybeCreateFromColor(*fromCSSValue, *toCSSValue, property);