Incorrect invalidation on Google Forum

Source/core/rendering/style/RenderStyleConstants.h

Index: Source/core/rendering/style/RenderStyleConstants.h
diff --git a/Source/core/rendering/style/RenderStyleConstants.h b/Source/core/rendering/style/RenderStyleConstants.h
index 5efade95d908501ebf1c0578740ca485c7159bc8..021c9a3f34ced88a31af425a3bc9368f648ffe70 100644
--- a/Source/core/rendering/style/RenderStyleConstants.h
+++ b/Source/core/rendering/style/RenderStyleConstants.h
@@ -53,7 +53,6 @@ enum PrintColorAdjust {
 // - StyleDifferenceRepaintLayer - The layer and its descendant layers need to be repainted.
 // - StyleDifferenceLayoutPositionedMovementOnly - Only the position of this positioned object has been updated.
 // - StyleDifferenceSimplifiedLayout - Only overflow needs to be recomputed.
-// - StyleDifferenceSimplifiedLayoutAndPositionedMovement - Both positioned movement and simplified layout updates are required.
 // - StyleDifferenceLayout - A full layout is required.
 enum StyleDifference {
     StyleDifferenceEqual,
@@ -62,7 +61,6 @@ enum StyleDifference {
     StyleDifferenceRepaintLayer,
     StyleDifferenceLayoutPositionedMovementOnly,
     StyleDifferenceSimplifiedLayout,
-    StyleDifferenceSimplifiedLayoutAndPositionedMovement,
     StyleDifferenceLayout
 };