Remove even more @keyframes related code.

sky/engine/core/css/StyleKeyframe.h

Index: sky/engine/core/css/StyleKeyframe.h
diff --git a/sky/engine/core/css/StyleKeyframe.h b/sky/engine/core/css/StyleKeyframe.h
deleted file mode 100644
index d80b7d64b951bd1b17bc4d3931cce71de659c904..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/StyleKeyframe.h
+++ /dev/null
@@ -1,78 +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_STYLEKEYFRAME_H_
-#define SKY_ENGINE_CORE_CSS_STYLEKEYFRAME_H_
-
-#include "sky/engine/wtf/Forward.h"
-#include "sky/engine/wtf/OwnPtr.h"
-#include "sky/engine/wtf/RefCounted.h"
-#include "sky/engine/wtf/Vector.h"
-#include "sky/engine/wtf/text/WTFString.h"
-
-namespace blink {
-
-class CSSKeyframesRule;
-class CSSParserValueList;
-class MutableStylePropertySet;
-class StylePropertySet;
-
-class StyleKeyframe final : public RefCounted<StyleKeyframe> {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    static PassRefPtr<StyleKeyframe> create()
-    {
-        return adoptRef(new StyleKeyframe());
-    }
-    ~StyleKeyframe();
-
-    // Exposed to JavaScript.
-    String keyText() const;
-    void setKeyText(const String&);
-
-    // Used by StyleResolver.
-    const Vector<double>& keys() const;
-    // Used by BisonCSSParser when constructing a new StyleKeyframe.
-    void setKeys(PassOwnPtr<Vector<double> >);
-
-    const StylePropertySet& properties() const { return *m_properties; }
-    void setProperties(PassRefPtr<StylePropertySet>);
-
-    String cssText() const;
-
-    static PassOwnPtr<Vector<double> > createKeyList(CSSParserValueList*);
-
-private:
-    StyleKeyframe();
-
-    RefPtr<StylePropertySet> m_properties;
-    // These are both calculated lazily. Either one can be set, which invalidates the other.
-    mutable String m_keyText;
-    mutable OwnPtr<Vector<double> > m_keys;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_CSS_STYLEKEYFRAME_H_