Rename maybeConvertUnderlyingValue() in CSSInterpolationType subclasses

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

Index: third_party/WebKit/Source/core/animation/CSSInterpolationType.h
diff --git a/third_party/WebKit/Source/core/animation/CSSInterpolationType.h b/third_party/WebKit/Source/core/animation/CSSInterpolationType.h
index 0898733dc09882894cb9fbb691333c95ae380d04..a9553a1ac7154b0f8107a455a0497c0a0a2aa75f 100644
--- a/third_party/WebKit/Source/core/animation/CSSInterpolationType.h
+++ b/third_party/WebKit/Source/core/animation/CSSInterpolationType.h
@@ -30,6 +30,12 @@ class CSSInterpolationType : public InterpolationType {
   virtual InterpolationValue maybeConvertValue(const CSSValue&,
                                                const StyleResolverState&,
                                                ConversionCheckers&) const = 0;
+
+  InterpolationValue maybeConvertUnderlyingValue(
+      const InterpolationEnvironment&) const final;
+  virtual InterpolationValue maybeConvertStandardPropertyUnderlyingValue(
+      const StyleResolverState&) const = 0;
+
   void apply(const InterpolableValue&,
              const NonInterpolableValue*,
              InterpolationEnvironment&) const final;