Remove didNotifySubtreeInsertionsToDocument.

sky/engine/core/dom/shadow/InsertionPoint.cpp

Index: sky/engine/core/dom/shadow/InsertionPoint.cpp
diff --git a/sky/engine/core/dom/shadow/InsertionPoint.cpp b/sky/engine/core/dom/shadow/InsertionPoint.cpp
index 0dfc595e36c8c6b26587e7971f166c9edaef414c..98ec9d2b2a80e58d42dcec88f48bc6b542db256a 100644
--- a/sky/engine/core/dom/shadow/InsertionPoint.cpp
+++ b/sky/engine/core/dom/shadow/InsertionPoint.cpp
@@ -166,7 +166,7 @@ void InsertionPoint::childrenChanged(const ChildrenChange& change)
     }
 }
 
-Node::InsertionNotificationRequest InsertionPoint::insertedInto(ContainerNode* insertionPoint)
+void InsertionPoint::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
     if (ShadowRoot* root = containingShadowRoot()) {
@@ -180,8 +180,6 @@ Node::InsertionNotificationRequest InsertionPoint::insertedInto(ContainerNode* i
             }
         }
     }
-
-    return InsertionDone;
 }
 
 void InsertionPoint::removedFrom(ContainerNode* insertionPoint)