Delete unused AnimatableValue code

third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp

Index: third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp
diff --git a/third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp b/third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp
index 08d3f9c9be4d40447aec4e77561c9da3ae0fba77..07a20f6c7fab9fc9fb8863e09ccaecf3a406911e 100644
--- a/third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp
+++ b/third_party/WebKit/Source/core/animation/animatable/AnimatableClipPathOperation.cpp
@@ -32,43 +32,6 @@
 
 namespace blink {
 
-bool AnimatableClipPathOperation::usesDefaultInterpolationWith(
-    const AnimatableValue* value) const {
-  const AnimatableClipPathOperation* toOperation =
-      toAnimatableClipPathOperation(value);
-
-  if (m_operation->type() != ClipPathOperation::SHAPE ||
-      toOperation->m_operation->type() != ClipPathOperation::SHAPE)
-    return true;
-
-  const BasicShape* fromShape =
-      toShapeClipPathOperation(getClipPathOperation())->basicShape();
-  const BasicShape* toShape =
-      toShapeClipPathOperation(toOperation->getClipPathOperation())
-          ->basicShape();
-
-  return !fromShape->canBlend(toShape);
-}
-
-PassRefPtr<AnimatableValue> AnimatableClipPathOperation::interpolateTo(
-    const AnimatableValue* value,
-    double fraction) const {
-  if (usesDefaultInterpolationWith(value))
-    return defaultInterpolateTo(this, value, fraction);
-
-  const AnimatableClipPathOperation* toOperation =
-      toAnimatableClipPathOperation(value);
-  const BasicShape* fromShape =
-      toShapeClipPathOperation(getClipPathOperation())->basicShape();
-  const BasicShape* toShape =
-      toShapeClipPathOperation(toOperation->getClipPathOperation())
-          ->basicShape();
-
-  return AnimatableClipPathOperation::create(
-      ShapeClipPathOperation::create(toShape->blend(fromShape, fraction))
-          .get());
-}
-
 bool AnimatableClipPathOperation::equalTo(const AnimatableValue* value) const {
   const ClipPathOperation* operation =
       toAnimatableClipPathOperation(value)->m_operation.get();