Revert of Move Layout Tree Construction code into Element::rebuildLayoutTree()

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

Index: third_party/WebKit/Source/core/dom/Node.cpp
diff --git a/third_party/WebKit/Source/core/dom/Node.cpp b/third_party/WebKit/Source/core/dom/Node.cpp
index b8dbf92e9be8c48d703215204c61353db4b26207..8059397fe39faf8fa56d3bc2bd6e957b4626d4e9 100644
--- a/third_party/WebKit/Source/core/dom/Node.cpp
+++ b/third_party/WebKit/Source/core/dom/Node.cpp
@@ -390,18 +390,6 @@ Node* Node::getRootNode(const GetRootNodeOptions& options) const {
                                                        : &treeRoot();
 }
 
-Text* Node::nextTextSibling() const {
-  for (Node* sibling = nextSibling();
-       sibling &&
-       (!sibling->isElementNode() || !toElement(sibling)->layoutObject());
-       sibling = sibling->nextSibling()) {
-    if (sibling->isTextNode()) {
-      return toText(sibling);
-    }
-  }
-  return nullptr;
-}
-
 Node* Node::insertBefore(Node* newChild,
                          Node* refChild,
                          ExceptionState& exceptionState) {
@@ -709,17 +697,6 @@ void Node::markAncestorsWithChildNeedsStyleRecalc() {
   document().scheduleLayoutTreeUpdateIfNeeded();
 }
 
-void Node::markAncestorsWithChildNeedsReattachLayoutTree() {
-  for (ContainerNode* p = parentOrShadowHostNode();
-       p && !p->childNeedsReattachLayoutTree(); p = p->parentOrShadowHostNode())
-    p->setChildNeedsReattachLayoutTree();
-}
-
-void Node::setNeedsReattachLayoutTree() {
-  setFlag(NeedsReattachLayoutTree);
-  markAncestorsWithChildNeedsReattachLayoutTree();
-}
-
 void Node::setNeedsStyleRecalc(StyleChangeType changeType,
                                const StyleChangeReasonForTracing& reason) {
   DCHECK(changeType != NoStyleChange);
@@ -911,7 +888,6 @@ void Node::attachLayoutTree(const AttachContext&) {
           (layoutObject()->parent() || layoutObject()->isLayoutView())));
 
   clearNeedsStyleRecalc();
-  clearNeedsReattachLayoutTree();
 
   if (AXObjectCache* cache = document().axObjectCache())
     cache->updateCacheAfterNodeIsAttached(this);