Remove ShadowRoot::numberOfStyles().

third_party/WebKit/Source/core/svg/SVGStyleElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 88 matching lines @@
       StyleElement::finishParsingChildren(*this);
   SVGElement::finishParsingChildren();
   if (result == StyleElement::ProcessingFatalError)
     notifyLoadedSheetAndAllCriticalSubresources(
         ErrorOccurredLoadingSubresource);
 }
 
 Node::InsertionNotificationRequest SVGStyleElement::insertedInto(
     ContainerNode* insertionPoint) {
   SVGElement::insertedInto(insertionPoint);
-  StyleElement::insertedInto(*this, insertionPoint);
   return InsertionShouldCallDidNotifySubtreeInsertions;
 }
 
 void SVGStyleElement::didNotifySubtreeInsertionsToDocument() {
   if (StyleElement::processStyleSheet(document(), *this) ==
       StyleElement::ProcessingFatalError)
     notifyLoadedSheetAndAllCriticalSubresources(
         ErrorOccurredLoadingSubresource);
 }
 
@@ skipping 22 matching lines @@
 void SVGStyleElement::dispatchPendingEvent() {
   dispatchEvent(Event::create(EventTypeNames::error));
 }
 
 DEFINE_TRACE(SVGStyleElement) {
   StyleElement::trace(visitor);
   SVGElement::trace(visitor);
 }
 
 }  // namespace blink