Reduce CSSStyleSheet size by moving bool member.

third_party/WebKit/Source/core/css/CSSStyleSheet.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 93 matching lines @@
   CSSParserContext parserContext(ownerNode.document(), nullptr, baseURL,
                                  encoding);
   StyleSheetContents* sheet =
       StyleSheetContents::create(baseURL.getString(), parserContext);
   return new CSSStyleSheet(sheet, ownerNode, true, startPosition);
 }
 
 CSSStyleSheet::CSSStyleSheet(StyleSheetContents* contents,
                              CSSImportRule* ownerRule)
     : m_contents(contents),
-      m_isInlineStylesheet(false),
-      m_isDisabled(false),
-      m_ownerNode(nullptr),
       m_ownerRule(ownerRule),
-      m_startPosition(TextPosition::minimumPosition()),
-      m_loadCompleted(false) {
+      m_startPosition(TextPosition::minimumPosition()) {
   m_contents->registerClient(this);
 }
 
 CSSStyleSheet::CSSStyleSheet(StyleSheetContents* contents,
                              Node& ownerNode,
                              bool isInlineStylesheet,
                              const TextPosition& startPosition)
     : m_contents(contents),
       m_isInlineStylesheet(isInlineStylesheet),
-      m_isDisabled(false),
       m_ownerNode(&ownerNode),
-      m_ownerRule(nullptr),
-      m_startPosition(startPosition),
-      m_loadCompleted(false) {
+      m_startPosition(startPosition) {
 #if DCHECK_IS_ON()
   DCHECK(isAcceptableCSSStyleSheetParent(ownerNode));
 #endif
   m_contents->registerClient(this);
 }
 
 CSSStyleSheet::~CSSStyleSheet() {}
 
 void CSSStyleSheet::willMutateRules() {
   // If we are the only client it is safe to mutate.
@@ skipping 289 matching lines @@
   visitor->trace(m_mediaQueries);
   visitor->trace(m_ownerNode);
   visitor->trace(m_ownerRule);
   visitor->trace(m_mediaCSSOMWrapper);
   visitor->trace(m_childRuleCSSOMWrappers);
   visitor->trace(m_ruleListCSSOMWrapper);
   StyleSheet::trace(visitor);
 }
 
 }  // namespace blink