Remove unused AnimatableValue types

third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #define CSSAnimatableValueFactory_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/animation/animatable/AnimatableValue.h"
 #include "platform/wtf/Allocator.h"
 #include "platform/wtf/PassRefPtr.h"
 
 namespace blink {
 
 class ComputedStyle;
-class PropertyHandle;
 
 class CSSAnimatableValueFactory {
   STATIC_ONLY(CSSAnimatableValueFactory);
 
  public:
-  static PassRefPtr<AnimatableValue> Create(const PropertyHandle&,
+  static PassRefPtr<AnimatableValue> Create(CSSPropertyID,
                                             const ComputedStyle&);
-
- private:
-  static PassRefPtr<AnimatableValue> CreateFromColor(CSSPropertyID,
-                                                     const ComputedStyle&);
 };
 
 }  // namespace blink
 
 #endif  // CSSAnimatableValueFactory_h