Remove ShadowRoot::numberOfStyles().

third_party/WebKit/Source/core/html/HTMLStyleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *           (C) 2007 Rob Buis (buis@kde.org)
  *
  * 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
@@ skipping 64 matching lines @@
       StyleElement::finishParsingChildren(*this);
   HTMLElement::finishParsingChildren();
   if (result == StyleElement::ProcessingFatalError)
     notifyLoadedSheetAndAllCriticalSubresources(
         ErrorOccurredLoadingSubresource);
 }
 
 Node::InsertionNotificationRequest HTMLStyleElement::insertedInto(
     ContainerNode* insertionPoint) {
   HTMLElement::insertedInto(insertionPoint);
-  StyleElement::insertedInto(*this, insertionPoint);
   return InsertionShouldCallDidNotifySubtreeInsertions;
 }
 
 void HTMLStyleElement::removedFrom(ContainerNode* insertionPoint) {
   HTMLElement::removedFrom(insertionPoint);
   StyleElement::removedFrom(*this, insertionPoint);
 }
 
 void HTMLStyleElement::didNotifySubtreeInsertionsToDocument() {
   if (StyleElement::processStyleSheet(document(), *this) ==
@@ skipping 49 matching lines @@
   if (CSSStyleSheet* styleSheet = sheet())
     styleSheet->setDisabled(setDisabled);
 }
 
 DEFINE_TRACE(HTMLStyleElement) {
   StyleElement::trace(visitor);
   HTMLElement::trace(visitor);
 }
 
 }  // namespace blink