Make InvalidatableInterpolation's InterpolationTypes decided at effect application time

third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h

Index: third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
diff --git a/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h b/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
index 1763d4648e7db27612ba0319e382fc8aa55a1147..c45d3a08977d988465175d0fa2f52d627f1635a8 100644
--- a/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
+++ b/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
@@ -6,8 +6,8 @@
 #define InvalidatableInterpolation_h
 
 #include "core/animation/InterpolationType.h"
+#include "core/animation/InterpolationTypesMap.h"
 #include "core/animation/PrimitiveInterpolation.h"
-#include "core/animation/PropertyInterpolationTypesMapping.h"
 #include "core/animation/StyleInterpolation.h"
 #include "core/animation/TypedInterpolationValue.h"
 #include <memory>
@@ -21,12 +21,10 @@ class CORE_EXPORT InvalidatableInterpolation : public Interpolation {
  public:
   static PassRefPtr<InvalidatableInterpolation> create(
       PropertyHandle property,
-      const InterpolationTypes& interpolationTypes,
       PassRefPtr<PropertySpecificKeyframe> startKeyframe,
       PassRefPtr<PropertySpecificKeyframe> endKeyframe) {
-    return adoptRef(new InvalidatableInterpolation(property, interpolationTypes,
-                                                   std::move(startKeyframe),
-                                                   std::move(endKeyframe)));
+    return adoptRef(new InvalidatableInterpolation(
+        property, std::move(startKeyframe), std::move(endKeyframe)));
   }
 
   PropertyHandle getProperty() const final { return m_property; }
@@ -40,12 +38,12 @@ class CORE_EXPORT InvalidatableInterpolation : public Interpolation {
 
  private:
   InvalidatableInterpolation(PropertyHandle property,
-                             const InterpolationTypes& interpolationTypes,
                              PassRefPtr<PropertySpecificKeyframe> startKeyframe,
                              PassRefPtr<PropertySpecificKeyframe> endKeyframe)
       : Interpolation(nullptr, nullptr),
         m_property(property),
-        m_interpolationTypes(interpolationTypes),
+        m_interpolationTypes(nullptr),
+        m_interpolationTypesVersion(0),
         m_startKeyframe(startKeyframe),
         m_endKeyframe(endKeyframe),
         m_currentFraction(std::numeric_limits<double>::quiet_NaN()),
@@ -58,6 +56,7 @@ class CORE_EXPORT InvalidatableInterpolation : public Interpolation {
   const TypedInterpolationValue* ensureValidConversion(
       const InterpolationEnvironment&,
       const UnderlyingValueOwner&) const;
+  void ensureValidInterpolationTypes(const InterpolationEnvironment&) const;
   void clearConversionCache() const;
   bool isConversionCacheValid(const InterpolationEnvironment&,
                               const UnderlyingValueOwner&) const;
@@ -75,7 +74,8 @@ class CORE_EXPORT InvalidatableInterpolation : public Interpolation {
   double underlyingFraction() const;
 
   const PropertyHandle m_property;
-  const InterpolationTypes& m_interpolationTypes;
+  mutable const InterpolationTypes* m_interpolationTypes;
+  mutable size_t m_interpolationTypesVersion;
   RefPtr<PropertySpecificKeyframe> m_startKeyframe;
   RefPtr<PropertySpecificKeyframe> m_endKeyframe;
   double m_currentFraction;