Remove the CSSOM.

sky/engine/core/css/CSSKeyframesRule.h

Index: sky/engine/core/css/CSSKeyframesRule.h
diff --git a/sky/engine/core/css/CSSKeyframesRule.h b/sky/engine/core/css/CSSKeyframesRule.h
deleted file mode 100644
index 599d124d32b3af8bc6689c680df7b621d6f078de..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/CSSKeyframesRule.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2007, 2008, 2012 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SKY_ENGINE_CORE_CSS_CSSKEYFRAMESRULE_H_
-#define SKY_ENGINE_CORE_CSS_CSSKEYFRAMESRULE_H_
-
-#include "sky/engine/core/css/CSSRule.h"
-#include "sky/engine/core/css/StyleRule.h"
-#include "sky/engine/wtf/Forward.h"
-#include "sky/engine/wtf/text/AtomicString.h"
-
-namespace blink {
-
-class CSSRuleList;
-class StyleKeyframe;
-class CSSKeyframeRule;
-
-class StyleRuleKeyframes final : public StyleRuleBase {
-public:
-    static PassRefPtr<StyleRuleKeyframes> create() { return adoptRef(new StyleRuleKeyframes()); }
-
-    ~StyleRuleKeyframes();
-
-    const Vector<RefPtr<StyleKeyframe> >& keyframes() const { return m_keyframes; }
-
-    void parserAppendKeyframe(PassRefPtr<StyleKeyframe>);
-    void wrapperAppendKeyframe(PassRefPtr<StyleKeyframe>);
-    void wrapperRemoveKeyframe(unsigned);
-
-    String name() const { return m_name; }
-    void setName(const String& name) { m_name = AtomicString(name); }
-
-    bool isVendorPrefixed() const { return m_isPrefixed; }
-    void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
-
-    int findKeyframeIndex(const String& key) const;
-
-    PassRefPtr<StyleRuleKeyframes> copy() const { return adoptRef(new StyleRuleKeyframes(*this)); }
-
-private:
-    StyleRuleKeyframes();
-    explicit StyleRuleKeyframes(const StyleRuleKeyframes&);
-
-    Vector<RefPtr<StyleKeyframe> > m_keyframes;
-    AtomicString m_name;
-    bool m_isPrefixed;
-};
-
-DEFINE_STYLE_RULE_TYPE_CASTS(Keyframes);
-
-class CSSKeyframesRule final : public CSSRule {
-public:
-    static PassRefPtr<CSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet)
-    {
-        return adoptRef(new CSSKeyframesRule(rule, sheet));
-    }
-
-    virtual ~CSSKeyframesRule();
-
-    virtual CSSRule::Type type() const override { return KEYFRAMES_RULE; }
-    virtual String cssText() const override;
-    virtual void reattach(StyleRuleBase*) override;
-
-    String name() const { return m_keyframesRule->name(); }
-    void setName(const String&);
-
-    CSSRuleList* cssRules();
-
-    void insertRule(const String& rule);
-    void deleteRule(const String& key);
-    CSSKeyframeRule* findRule(const String& key);
-
-    // For IndexedGetter and CSSRuleList.
-    unsigned length() const;
-    CSSKeyframeRule* item(unsigned index) const;
-
-    bool isVendorPrefixed() const { return m_isPrefixed; }
-    void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
-
-private:
-    CSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
-
-    RefPtr<StyleRuleKeyframes> m_keyframesRule;
-    mutable Vector<RefPtr<CSSKeyframeRule> > m_childRuleCSSOMWrappers;
-    mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
-    bool m_isPrefixed;
-};
-
-DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframesRule, KEYFRAMES_RULE);
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_CSS_CSSKEYFRAMESRULE_H_