Rename maybeConvertUnderlyingValue() in CSSInterpolationType subclasses

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

Index: third_party/WebKit/Source/core/animation/CSSColorInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/CSSColorInterpolationType.cpp b/third_party/WebKit/Source/core/animation/CSSColorInterpolationType.cpp
index 410d124ae0d92c4bdbe1a20da4256734731c5ab2..eb899ff8799c63a7f525c8246159e134d13db96c 100644
--- a/third_party/WebKit/Source/core/animation/CSSColorInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/CSSColorInterpolationType.cpp
@@ -238,13 +238,12 @@ InterpolationValue CSSColorInterpolationType::convertStyleColorPair(
   return InterpolationValue(std::move(colorPair));
 }
 
-InterpolationValue CSSColorInterpolationType::maybeConvertUnderlyingValue(
-    const InterpolationEnvironment& environment) const {
+InterpolationValue
+CSSColorInterpolationType::maybeConvertStandardPropertyUnderlyingValue(
+    const StyleResolverState& state) const {
   return convertStyleColorPair(
-      ColorPropertyFunctions::getUnvisitedColor(cssProperty(),
-                                                *environment.state().style()),
-      ColorPropertyFunctions::getVisitedColor(cssProperty(),
-                                              *environment.state().style()));
+      ColorPropertyFunctions::getUnvisitedColor(cssProperty(), *state.style()),
+      ColorPropertyFunctions::getVisitedColor(cssProperty(), *state.style()));
 }
 
 void CSSColorInterpolationType::applyStandardPropertyValue(