Remove unused AnimatableValue types

third_party/WebKit/Source/core/animation/BUILD.gn

Index: third_party/WebKit/Source/core/animation/BUILD.gn
diff --git a/third_party/WebKit/Source/core/animation/BUILD.gn b/third_party/WebKit/Source/core/animation/BUILD.gn
index b59050ac43e7fb144c27906f6e634880d41f20bf..5bf65dd6dafe1a685f514ff62f507aa7a26db7f4 100644
--- a/third_party/WebKit/Source/core/animation/BUILD.gn
+++ b/third_party/WebKit/Source/core/animation/BUILD.gn
@@ -225,43 +225,10 @@ blink_core_sources("animation") {
     "UnderlyingLengthChecker.h",
     "UnderlyingValueOwner.cpp",
     "UnderlyingValueOwner.h",
-    "animatable/AnimatableClipPathOperation.cpp",
-    "animatable/AnimatableClipPathOperation.h",
-    "animatable/AnimatableColor.cpp",
-    "animatable/AnimatableColor.h",
     "animatable/AnimatableDouble.cpp",
     "animatable/AnimatableDouble.h",
-    "animatable/AnimatableDoubleAndBool.cpp",
-    "animatable/AnimatableDoubleAndBool.h",
     "animatable/AnimatableFilterOperations.cpp",
     "animatable/AnimatableFilterOperations.h",
-    "animatable/AnimatableFontVariationSettings.cpp",
-    "animatable/AnimatableFontVariationSettings.h",
-    "animatable/AnimatableImage.cpp",
-    "animatable/AnimatableImage.h",
-    "animatable/AnimatableLength.cpp",
-    "animatable/AnimatableLength.h",
-    "animatable/AnimatableLengthBox.cpp",
-    "animatable/AnimatableLengthBox.h",
-    "animatable/AnimatableLengthBoxAndBool.cpp",
-    "animatable/AnimatableLengthBoxAndBool.h",
-    "animatable/AnimatableLengthPoint.cpp",
-    "animatable/AnimatableLengthPoint.h",
-    "animatable/AnimatableLengthPoint3D.cpp",
-    "animatable/AnimatableLengthPoint3D.h",
-    "animatable/AnimatableLengthSize.cpp",
-    "animatable/AnimatableLengthSize.h",
-    "animatable/AnimatablePath.cpp",
-    "animatable/AnimatablePath.h",
-    "animatable/AnimatableRepeatable.cpp",
-    "animatable/AnimatableRepeatable.h",
-    "animatable/AnimatableSVGPaint.cpp",
-    "animatable/AnimatableSVGPaint.h",
-    "animatable/AnimatableShadow.cpp",
-    "animatable/AnimatableShadow.h",
-    "animatable/AnimatableShapeValue.cpp",
-    "animatable/AnimatableShapeValue.h",
-    "animatable/AnimatableStrokeDasharrayList.h",
     "animatable/AnimatableTransform.cpp",
     "animatable/AnimatableTransform.h",
     "animatable/AnimatableUnknown.h",
@@ -269,8 +236,6 @@ blink_core_sources("animation") {
     "animatable/AnimatableValue.h",
     "animatable/AnimatableValueKeyframe.cpp",
     "animatable/AnimatableValueKeyframe.h",
-    "animatable/AnimatableVisibility.cpp",
-    "animatable/AnimatableVisibility.h",
     "css/CSSAnimatableValueFactory.cpp",
     "css/CSSAnimatableValueFactory.h",
     "css/CSSAnimationData.cpp",