Clear box from percentage descendants when it is split off from the ancestor

third_party/WebKit/Source/core/layout/LayoutBlock.h

Index: third_party/WebKit/Source/core/layout/LayoutBlock.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.h b/third_party/WebKit/Source/core/layout/LayoutBlock.h
index f4af3baec2c01ecd349be6a74f379f56a1af6294..af819bf8a6349fc04000ec7f4be22797fd2e3692 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.h
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.h
@@ -390,7 +390,6 @@ private:
 
     virtual void removeLeftoverAnonymousBlock(LayoutBlock* child);
 
-    static void collapseAnonymousBlockChild(LayoutBlock* parent, LayoutBlock* child);
     void makeChildrenInlineIfPossible();
 
     void dirtyLinesFromChangedChild(LayoutObject* child) final { m_lineBoxes.dirtyLinesFromChangedChild(LineLayoutItem(this), LineLayoutItem(child)); }
@@ -458,6 +457,7 @@ public:
     // return the distance to the next fragmentainer that can fit this piece of content.
     LayoutUnit calculatePaginationStrutToFitContent(LayoutUnit offset, LayoutUnit strutToNextPage, LayoutUnit contentLogicalHeight) const;
 
+    static void collapseAnonymousBlockChild(LayoutBlock* parent, LayoutBlock* child);
 protected:
     bool isPageLogicalHeightKnown(LayoutUnit logicalOffset) const { return pageLogicalHeightForOffset(logicalOffset); }