Merge 121001

Source/WebCore/rendering/RenderBlock.cpp

Index: Source/WebCore/rendering/RenderBlock.cpp
===================================================================
--- Source/WebCore/rendering/RenderBlock.cpp	(revision 122131)
+++ Source/WebCore/rendering/RenderBlock.cpp	(working copy)
@@ -568,14 +568,6 @@
     if (beforeChild && childrenInline())
         deleteLineBoxTree();
 
-    // We have to remove the descendant child from our positioned objects list
-    // before we do the split and move some of the children to cloneBlock. Since
-    // we are doing layout anyway, it is easier to blow away the entire list, than
-    // traversing down the subtree looking for positioned childs and then remove them
-    // from our positioned objects list.
-    if (beforeChild)
-        removePositionedObjects(0);
-
     // Now take all of the children from beforeChild to the end and remove
     // them from |this| and place them in the clone.
     moveChildrenTo(cloneBlock, beforeChild, 0, true);
@@ -629,12 +621,6 @@
             currChildNextSibling = 0; // We destroyed the last child, so now we need to update
                                       // the value of currChildNextSibling.
 
-        // It is possible that positioned objects under blockCurr are going to be moved to cloneBlock.
-        // Since we are doing layout anyway, it is easier to blow away the entire list, than
-        // traversing down the subtree looking for positioned children and then remove them
-        // from our positioned objects list.
-        blockCurr->removePositionedObjects(0);
-
         // Now we need to take all of the children starting from the first child
         // *after* currChild and append them all to the clone.
         blockCurr->moveChildrenTo(cloneBlock, currChildNextSibling, 0, true);