Remove didNotifySubtreeInsertionsToDocument.

sky/engine/core/html/HTMLIFrameElement.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/html/HTMLIFrameElement.h"
 
 #include "gen/sky/core/HTMLNames.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/html/parser/HTMLParserIdioms.h"
@@ skipping 12 matching lines @@
       m_contentView(nullptr)
 {
 }
 
 HTMLIFrameElement::~HTMLIFrameElement()
 {
     if (m_contentView)
         m_contentView->RemoveObserver(this);
 }
 
-Node::InsertionNotificationRequest HTMLIFrameElement::insertedInto(ContainerNode* insertionPoint)
+void HTMLIFrameElement::insertedInto(ContainerNode* insertionPoint)
 {
-    InsertionNotificationRequest result = HTMLElement::insertedInto(insertionPoint);
+    HTMLElement::insertedInto(insertionPoint);
     if (insertionPoint->inDocument())
         createView();
-    return result;
 }
 
 void HTMLIFrameElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLElement::removedFrom(insertionPoint);
     if (m_contentView)
         m_contentView->Destroy();
 }
 
 RenderObject* HTMLIFrameElement::createRenderer(RenderStyle* style)
@@ skipping 17 matching lines @@
     if (!parentFrame)
         return;
 
     KURL url = document().completeURL(urlString);
     m_contentView = parentFrame->loaderClient()->createChildFrame(url);
     if (m_contentView)
         m_contentView->AddObserver(this);
 }
 
 }