Revert of Call Element::rebuildLayoutTree from Document::updateStyle directly

third_party/WebKit/Source/core/dom/ContainerNode.cpp

Index: third_party/WebKit/Source/core/dom/ContainerNode.cpp
diff --git a/third_party/WebKit/Source/core/dom/ContainerNode.cpp b/third_party/WebKit/Source/core/dom/ContainerNode.cpp
index 066f9919aa6ba9c8c9e0142dbce14f88837653c1..207659d70f65cfdf3da66036ac30f8ba15cce0d2 100644
--- a/third_party/WebKit/Source/core/dom/ContainerNode.cpp
+++ b/third_party/WebKit/Source/core/dom/ContainerNode.cpp
@@ -788,7 +788,6 @@
     child->detachLayoutTree(childrenContext);
 
   setChildNeedsStyleRecalc();
-  setChildNeedsReattachLayoutTree();
   Node::detachLayoutTree(context);
 }
 
@@ -796,15 +795,9 @@
   document().incDOMTreeVersion();
   document().notifyChangeChildren(*this);
   invalidateNodeListCachesInAncestors();
-  if (change.isChildInsertion()) {
-    if (!childNeedsStyleRecalc()) {
-      setChildNeedsStyleRecalc();
-      markAncestorsWithChildNeedsStyleRecalc();
-    }
-    if (!childNeedsReattachLayoutTree()) {
-      setChildNeedsReattachLayoutTree();
-      markAncestorsWithChildNeedsReattachLayoutTree();
-    }
+  if (change.isChildInsertion() && !childNeedsStyleRecalc()) {
+    setChildNeedsStyleRecalc();
+    markAncestorsWithChildNeedsStyleRecalc();
   }
 }
 
@@ -1312,24 +1305,6 @@
   }
 }
 
-void ContainerNode::rebuildChildrenLayoutTrees() {
-  DCHECK(!needsReattachLayoutTree());
-
-  for (Node* child = lastChild(); child; child = child->previousSibling()) {
-    if (child->needsReattachLayoutTree() ||
-        child->childNeedsReattachLayoutTree()) {
-      if (child->isTextNode())
-        toText(child)->rebuildTextLayoutTree();
-      else if (child->isElementNode())
-        toElement(child)->rebuildLayoutTree();
-    }
-  }
-  // This is done in ContainerNode::attachLayoutTree but will never be cleared
-  // if we don't enter ContainerNode::attachLayoutTree so we do it here.
-  clearChildNeedsStyleRecalc();
-  clearChildNeedsReattachLayoutTree();
-}
-
 void ContainerNode::checkForSiblingStyleChanges(SiblingCheckType changeType,
                                                 Element* changedElement,
                                                 Node* nodeBeforeChange,