Schedule sibling invalidation sets for sibling insert/remove.

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

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 5a811b2ddd4d14c8c46e4e5adbfe5ca99e2fa5c9..f87af299317ce39d24b12bdfe86b00999a00ca1d 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -2091,7 +2091,7 @@ void Element::childrenChanged(const ChildrenChange& change)
 
     checkForEmptyStyleChange();
     if (!change.byParser && change.isChildElementChange())
-        checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingBeforeChange, change.siblingAfterChange);
+        checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingChanged, change.siblingBeforeChange, change.siblingAfterChange);
 
     // TODO(hayato): Confirm that we can skip this if a shadow tree is v1.
     if (ElementShadow* shadow = this->shadow())
@@ -2102,7 +2102,7 @@ void Element::finishParsingChildren()
 {
     setIsFinishedParsingChildren(true);
     checkForEmptyStyleChange();
-    checkForSiblingStyleChanges(FinishedParsingChildren, lastChild(), nullptr);
+    checkForSiblingStyleChanges(FinishedParsingChildren, nullptr, lastChild(), nullptr);
 }
 
 #ifndef NDEBUG