Remove the CSSOM.

sky/engine/core/css/StyleRule.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2005, 2006, 2008, 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/css/StyleRule.h"
 
-#include "sky/engine/core/css/CSSFilterRule.h"
-#include "sky/engine/core/css/CSSFontFaceRule.h"
-#include "sky/engine/core/css/CSSKeyframesRule.h"
-#include "sky/engine/core/css/CSSMediaRule.h"
-#include "sky/engine/core/css/CSSStyleRule.h"
-#include "sky/engine/core/css/CSSSupportsRule.h"
 #include "sky/engine/core/css/StylePropertySet.h"
+#include "sky/engine/core/css/StyleRuleKeyframes.h"
 
 namespace blink {
 
 struct SameSizeAsStyleRuleBase : public RefCounted<SameSizeAsStyleRuleBase> {
     unsigned bitfields;
 };
 
 COMPILE_ASSERT(sizeof(StyleRuleBase) <= sizeof(SameSizeAsStyleRuleBase), StyleRuleBase_should_stay_small);
 
-PassRefPtr<CSSRule> StyleRuleBase::createCSSOMWrapper(CSSStyleSheet* parentSheet) const
-{
-    return createCSSOMWrapper(parentSheet, 0);
-}
-
-PassRefPtr<CSSRule> StyleRuleBase::createCSSOMWrapper(CSSRule* parentRule) const
-{
-    return createCSSOMWrapper(0, parentRule);
-}
-
 void StyleRuleBase::destroy()
 {
     switch (type()) {
     case Style:
         delete toStyleRule(this);
         return;
     case FontFace:
         delete toStyleRuleFontFace(this);
         return;
     case Media:
@@ skipping 33 matching lines @@
         return toStyleRuleFilter(this)->copy();
     case Unknown:
     case Keyframe:
         ASSERT_NOT_REACHED();
         return nullptr;
     }
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
-PassRefPtr<CSSRule> StyleRuleBase::createCSSOMWrapper(CSSStyleSheet* parentSheet, CSSRule* parentRule) const
-{
-    RefPtr<CSSRule> rule = nullptr;
-    StyleRuleBase* self = const_cast<StyleRuleBase*>(this);
-    switch (type()) {
-    case Style:
-        rule = CSSStyleRule::create(toStyleRule(self), parentSheet);
-        break;
-    case FontFace:
-        rule = CSSFontFaceRule::create(toStyleRuleFontFace(self), parentSheet);
-        break;
-    case Media:
-        rule = CSSMediaRule::create(toStyleRuleMedia(self), parentSheet);
-        break;
-    case Supports:
-        rule = CSSSupportsRule::create(toStyleRuleSupports(self), parentSheet);
-        break;
-    case Keyframes:
-        rule = CSSKeyframesRule::create(toStyleRuleKeyframes(self), parentSheet);
-        break;
-    case Filter:
-        rule = CSSFilterRule::create(toStyleRuleFilter(self), parentSheet);
-        break;
-    case Unknown:
-    case Keyframe:
-        ASSERT_NOT_REACHED();
-        return nullptr;
-    }
-    if (parentRule)
-        rule->setParentRule(parentRule);
-    return rule.release();
-}
-
 unsigned StyleRule::averageSizeInBytes()
 {
     return sizeof(StyleRule) + sizeof(CSSSelector) + StylePropertySet::averageSizeInBytes();
 }
 
 StyleRule::StyleRule()
     : StyleRuleBase(Style)
 {
 }
 
@@ skipping 121 matching lines @@
         m_properties = m_properties->mutableCopy();
     return *toMutableStylePropertySet(m_properties);
 }
 
 void StyleRuleFilter::setProperties(PassRefPtr<StylePropertySet> properties)
 {
     m_properties = properties;
 }
 
 } // namespace blink