Use ShadowData in DropShadowFilterOperation

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

Index: third_party/WebKit/Source/core/animation/FilterInterpolationFunctions.cpp
diff --git a/third_party/WebKit/Source/core/animation/FilterInterpolationFunctions.cpp b/third_party/WebKit/Source/core/animation/FilterInterpolationFunctions.cpp
index 29b7fb5b06c0d4535881c0f782d811d62a1573b6..32e530295174c85a26613fa816724b3e7b7545bf 100644
--- a/third_party/WebKit/Source/core/animation/FilterInterpolationFunctions.cpp
+++ b/third_party/WebKit/Source/core/animation/FilterInterpolationFunctions.cpp
@@ -187,12 +187,8 @@ InterpolationValue FilterInterpolationFunctions::maybeConvertFilter(
       break;
 
     case FilterOperation::DROP_SHADOW: {
-      const DropShadowFilterOperation& blurFilter =
-          toDropShadowFilterOperation(filter);
-      ShadowData shadowData(blurFilter.location(), blurFilter.stdDeviation(), 0,
-                            Normal, blurFilter.getColor());
-      result =
-          ShadowInterpolationFunctions::convertShadowData(shadowData, zoom);
+      result = ShadowInterpolationFunctions::convertShadowData(
+          toDropShadowFilterOperation(filter).shadow(), zoom);
       break;
     }
 
@@ -285,11 +281,9 @@ FilterOperation* FilterInterpolationFunctions::createFilter(
       ShadowData shadowData = ShadowInterpolationFunctions::createShadowData(
           interpolableValue, nonInterpolableValue.typeNonInterpolableValue(),
           state);
-      Color color = shadowData.color().isCurrentColor()
-                        ? Color::black
-                        : shadowData.color().getColor();
-      return DropShadowFilterOperation::create(
-          IntPoint(shadowData.x(), shadowData.y()), shadowData.blur(), color);
+      if (shadowData.color().isCurrentColor())
+        shadowData.overrideColor(Color::black);
+      return DropShadowFilterOperation::create(shadowData);
     }
 
     default: