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

third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp

Index: third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp
diff --git a/third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp b/third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp
index d8ed185d0e233bfe29136164ea9ac7fd4522048d..d632432b1a9ffa75bb34f22a24cc1f48b5d4c19e 100644
--- a/third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp
+++ b/third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp
@@ -129,9 +129,11 @@ void ShadowRoot::recalcStyle(StyleRecalcChange change) {
 
   // There's no style to update so just calling recalcStyle means we're updated.
   clearNeedsStyleRecalc();
+  clearNeedsReattachLayoutTree();
 
   recalcDescendantStyles(change);
   clearChildNeedsStyleRecalc();
+  clearChildNeedsReattachLayoutTree();

[esprehn, 2016/10/17 21:36:26]

ditto, you won't want to touch the reattach bits in recalcStyle once you start
tree walking inside reattachLayoutTree.

[nainar, 2016/10/18 00:04:41]

Done.

 }
 
 void ShadowRoot::attachLayoutTree(const AttachContext& context) {