Split active animation interpolation storage between standard and custom properties

third_party/WebKit/Source/core/animation/css/CSSAnimations.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 46 matching lines @@
  public:
   CSSAnimations();
 
   bool IsAnimationForInspector(const Animation&);
   bool IsTransitionAnimationForInspector(const Animation&) const;
 
   static const StylePropertyShorthand& PropertiesForTransitionAll();
   static bool IsAnimationAffectingProperty(CSSPropertyID);
   static bool IsAffectedByKeyframesFromScope(const Element&, const TreeScope&);
   static bool IsAnimatingCustomProperties(const ElementAnimations*);
-  static bool IsCustomPropertyHandle(const PropertyHandle&);
   static void CalculateAnimationUpdate(CSSAnimationUpdate&,
                                        const Element* animating_element,
                                        Element&,
                                        const ComputedStyle&,
                                        ComputedStyle* parent_style,
                                        StyleResolver*);
   static void CalculateCompositorAnimationUpdate(
       CSSAnimationUpdate&,
       const Element* animating_element,
       Element&,
@@ skipping 72 matching lines @@
     double reversing_shortening_factor;
   };
 
   HeapVector<Member<RunningAnimation>> running_animations_;
 
   using TransitionMap = HeapHashMap<PropertyHandle, RunningTransition>;
   TransitionMap transitions_;
 
   CSSAnimationUpdate pending_update_;
 
-  ActiveInterpolationsMap previous_active_interpolations_for_animations_;
+  ActiveInterpolationsMap previous_active_interpolations_for_custom_animations_;
+  ActiveInterpolationsMap
+      previous_active_interpolations_for_standard_animations_;
 
   struct TransitionUpdateState {
     STACK_ALLOCATED();
     CSSAnimationUpdate& update;
     Member<const Element> animating_element;
     const ComputedStyle& old_style;
     const ComputedStyle& style;
     const TransitionMap* active_transitions;
     HashSet<PropertyHandle>& listed_properties;
     const CSSTransitionData& transition_data;
@@ skipping 69 matching lines @@
 
     Member<Element> transition_target_;
     PropertyHandle property_;
     AnimationEffectReadOnly::Phase previous_phase_;
   };
 };
 
 }  // namespace blink
 
 #endif