Move rendering/RenderBox to layout/LayoutBox.

Source/core/layout/LayoutObjectChildList.cpp

Index: Source/core/layout/LayoutObjectChildList.cpp
diff --git a/Source/core/layout/LayoutObjectChildList.cpp b/Source/core/layout/LayoutObjectChildList.cpp
index 6cd665d46569dd0477caf0ed1bff5dbe6957eb14..86943e7b2dd710862ec73e88fc83bb61a958775f 100644
--- a/Source/core/layout/LayoutObjectChildList.cpp
+++ b/Source/core/layout/LayoutObjectChildList.cpp
@@ -58,7 +58,7 @@ LayoutObject* LayoutObjectChildList::removeChildNode(LayoutObject* owner, Layout
     ASSERT(this == owner->virtualChildren());
 
     if (oldChild->isFloatingOrOutOfFlowPositioned())
-        toRenderBox(oldChild)->removeFloatingOrPositionedChildFromBlockLists();
+        toLayoutBox(oldChild)->removeFloatingOrPositionedChildFromBlockLists();
 
     {
         // So that we'll get the appropriate dirty bit set (either that a normal flow child got yanked or
@@ -72,7 +72,7 @@ LayoutObject* LayoutObjectChildList::removeChildNode(LayoutObject* owner, Layout
 
     // If we have a line box wrapper, delete it.
     if (oldChild->isBox())
-        toRenderBox(oldChild)->deleteLineBoxWrapper();
+        toLayoutBox(oldChild)->deleteLineBoxWrapper();
 
     // If oldChild is the start or end of the selection, then clear the selection to
     // avoid problems of invalid pointers.