Improve positioned/percentHeight descendant/container tracking

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
index 4a4187ffb6f9fcaf4711026fe58fbf8b50a05de3..b9ca8b1f631afbef88431a5d1bf0b4e7d39a9e96 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
@@ -1009,7 +1009,7 @@ void LayoutBoxModelObject::moveChildTo(LayoutBoxModelObject* toBoxModelObject, L
     }
 
     if (fullRemoveInsert && isLayoutBlock() && child->isBox())
-        LayoutBlock::removePercentHeightDescendantIfNeeded(toLayoutBox(child));
+        toLayoutBox(child)->removeFromPercentHeightContainer();
 
     if (fullRemoveInsert && (toBoxModelObject->isLayoutBlock() || toBoxModelObject->isLayoutInline())) {
         // Takes care of adding the new child correctly if toBlock and fromBlock
@@ -1028,7 +1028,7 @@ void LayoutBoxModelObject::moveChildrenTo(LayoutBoxModelObject* toBoxModelObject
     if (fullRemoveInsert && isLayoutBlock()) {
         LayoutBlock* block = toLayoutBlock(this);
         block->removePositionedObjects(nullptr);
-        LayoutBlock::removePercentHeightDescendantIfNeeded(block);
+        block->removeFromPercentHeightContainer();
         if (block->isLayoutBlockFlow())
             toLayoutBlockFlow(block)->removeFloatingObjects();
     }