Set NeedsReattachLayoutTree and ChildNeedsReattachLayoutTree flags on Node

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 cf0b32333f04e8690a92d6bdf98790d80c79184c..9511baa4a1b4338d88f6edb3bdace454af6531fc 100644
--- a/third_party/WebKit/Source/core/dom/Node.cpp
+++ b/third_party/WebKit/Source/core/dom/Node.cpp
@@ -692,9 +692,21 @@ void Node::markAncestorsWithChildNeedsStyleRecalc()
 {
     for (ContainerNode* p = parentOrShadowHostNode(); p && !p->childNeedsStyleRecalc(); p = p->parentOrShadowHostNode())
         p->setChildNeedsStyleRecalc();
+    // TODO(nainar): Move this to Node::markAncestorsWithChildNeedsReattachLayoutTree()

[esprehn, 2016/09/29 04:32:47]

Hmm, why do you want to move this?

     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);