Add CSSInterpolationType specific ConversionChecker

third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp b/third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp
index 0585654661daedc8925a2c1f02a11a3039e32627..da07eba6a857fcb361dba0dc7500e48a732d8321 100644
--- a/third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/CSSFilterListInterpolationType.cpp
@@ -18,7 +18,7 @@ namespace blink {
 namespace {
 
 class UnderlyingFilterListChecker
-    : public InterpolationType::ConversionChecker {
+    : public CSSInterpolationType::CSSConversionChecker {
  public:
   static std::unique_ptr<UnderlyingFilterListChecker> Create(
       PassRefPtr<NonInterpolableList> non_interpolable_list) {
@@ -26,7 +26,7 @@ class UnderlyingFilterListChecker
         new UnderlyingFilterListChecker(std::move(non_interpolable_list)));
   }
 
-  bool IsValid(const InterpolationEnvironment&,
+  bool IsValid(const StyleResolverState&,
                const InterpolationValue& underlying) const final {
     const NonInterpolableList& underlying_non_interpolable_list =
         ToNonInterpolableList(*underlying.non_interpolable_value);
@@ -50,7 +50,8 @@ class UnderlyingFilterListChecker
   RefPtr<NonInterpolableList> non_interpolable_list_;
 };
 
-class InheritedFilterListChecker : public InterpolationType::ConversionChecker {
+class InheritedFilterListChecker
+    : public CSSInterpolationType::CSSConversionChecker {
  public:
   static std::unique_ptr<InheritedFilterListChecker> Create(
       CSSPropertyID property,
@@ -59,13 +60,12 @@ class InheritedFilterListChecker : public InterpolationType::ConversionChecker {
         new InheritedFilterListChecker(property, filter_operations));
   }
 
-  bool IsValid(const InterpolationEnvironment& environment,
+  bool IsValid(const StyleResolverState& state,
                const InterpolationValue&) const final {
     const FilterOperations& filter_operations =
         filter_operations_wrapper_->Operations();
-    return filter_operations ==
-           FilterListPropertyFunctions::GetFilterList(
-               property_, *environment.GetState().ParentStyle());
+    return filter_operations == FilterListPropertyFunctions::GetFilterList(
+                                    property_, *state.ParentStyle());
   }
 
  private: