Remove even more @keyframes related code.

sky/engine/core/css/resolver/StyleResolver.h

Index: sky/engine/core/css/resolver/StyleResolver.h
diff --git a/sky/engine/core/css/resolver/StyleResolver.h b/sky/engine/core/css/resolver/StyleResolver.h
index 1efaa1115f0bc1e76aa5db1dcc630bb6288e600b..5afa6cd03bd802d7e5772e8599c6de71d912a935 100644
--- a/sky/engine/core/css/resolver/StyleResolver.h
+++ b/sky/engine/core/css/resolver/StyleResolver.h
@@ -39,7 +39,6 @@ class Document;
 class Element;
 class ElementRuleCollector;
 class Interpolation;
-class StyleKeyframe;
 class StylePropertySet;
 class StyleResolverStats;
 class MatchResult;
@@ -67,7 +66,6 @@ public:
 
     PassRefPtr<RenderStyle> styleForElement(Element*, RenderStyle* parentStyle = 0);
 
-    PassRefPtr<RenderStyle> styleForKeyframe(Element*, const RenderStyle&, RenderStyle* parentStyle, const StyleKeyframe*, const AtomicString& animationName);
     static PassRefPtr<AnimatableValue> createAnimatableValueSnapshot(Element&, CSSPropertyID, CSSValue&);
     static PassRefPtr<AnimatableValue> createAnimatableValueSnapshot(StyleResolverState&, CSSPropertyID, CSSValue&);
 
@@ -76,8 +74,6 @@ public:
 
     static PassRefPtr<RenderStyle> styleForDocument(Document&);
 
-    void styleTreeResolveScopedKeyframesRules(const Element*, Vector<RawPtr<ScopedStyleResolver>, 8>&);
-
     // |properties| is an array with |count| elements.
     void applyPropertiesToStyle(const CSSPropertyValue* properties, size_t count, RenderStyle*);