Introduce KeyframeEffectReadOnly interface

third_party/WebKit/Source/core/animation/AnimationStack.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 16 matching lines @@
  * (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 AnimationStack_h
 #define AnimationStack_h
 
 #include "core/CoreExport.h"
 #include "core/animation/Animation.h"
 #include "core/animation/EffectModel.h"
-#include "core/animation/KeyframeEffect.h"
+#include "core/animation/KeyframeEffectReadOnly.h"
 #include "core/animation/PropertyHandle.h"
 #include "core/animation/SampledEffect.h"
 #include "platform/geometry/FloatBox.h"
 #include "wtf/HashSet.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 using ActiveInterpolationsMap = HashMap<PropertyHandle, ActiveInterpolations>;
 
 class InertEffect;
 
 // Represents the order in which a sequence of SampledEffects should apply.
 // This sequence is broken down to per PropertyHandle granularity.
 class CORE_EXPORT AnimationStack {
     DISALLOW_NEW();
     WTF_MAKE_NONCOPYABLE(AnimationStack);
 public:
     AnimationStack();
 
     void add(SampledEffect* sampledEffect) { m_sampledEffects.append(sampledEffect); }
     bool isEmpty() const { return m_sampledEffects.isEmpty(); }
     bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
 
     using PropertyHandleFilter = bool (*)(const PropertyHandle&);
-    static ActiveInterpolationsMap activeInterpolations(AnimationStack*, const HeapVector<Member<const InertEffect>>* newAnimations, const HeapHashSet<Member<const Animation>>* suppressedAnimations, KeyframeEffect::Priority, PropertyHandleFilter = nullptr);
+    static ActiveInterpolationsMap activeInterpolations(AnimationStack*, const HeapVector<Member<const InertEffect>>* newAnimations, const HeapHashSet<Member<const Animation>>* suppressedAnimations, KeyframeEffectReadOnly::Priority, PropertyHandleFilter = nullptr);
 
     bool getAnimatedBoundingBox(FloatBox&, CSSPropertyID) const;
     DECLARE_TRACE();
 
 private:
     void removeRedundantSampledEffects();
 
     // Effects sorted by priority. Lower priority at the start of the list.
     HeapVector<Member<SampledEffect>> m_sampledEffects;
 
     friend class AnimationAnimationStackTest;
 };
 
 } // namespace blink
 
 #endif // AnimationStack_h