Remove even more @keyframes related code.

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/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);
 
 void StyleRuleBase::destroy()
 {
     switch (type()) {
     case Style:
         delete toStyleRule(this);
         return;
     case FontFace:
         delete toStyleRuleFontFace(this);
         return;
     case Supports:
         delete toStyleRuleSupports(this);
         return;
-    case Keyframes:
-        delete toStyleRuleKeyframes(this);
-        return;
     case Unknown:
         ASSERT_NOT_REACHED();
         return;
     }
     ASSERT_NOT_REACHED();
 }
 
 unsigned StyleRule::averageSizeInBytes()
 {
     return sizeof(StyleRule) + sizeof(CSSSelector) + StylePropertySet::averageSizeInBytes();
@@ skipping 34 matching lines @@
 }
 
 StyleRuleSupports::StyleRuleSupports(const String& conditionText, bool conditionIsSupported, Vector<RefPtr<StyleRuleBase> >& adoptRules)
     : StyleRuleGroup(Supports, adoptRules)
     , m_conditionText(conditionText)
     , m_conditionIsSupported(conditionIsSupported)
 {
 }
 
 } // namespace blink