Delete unused AnimatableValue code

third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp

Index: third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp
diff --git a/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp b/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp
index d41c181cdb499c8759dbc06359039a0ef89a053d..feddccc87c08049997b1cb74f5c5fe9940072899 100644
--- a/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp
+++ b/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthPoint3D.cpp
@@ -32,20 +32,11 @@
 
 namespace blink {
 
-PassRefPtr<AnimatableValue> AnimatableLengthPoint3D::interpolateTo(
-    const AnimatableValue* value,
-    double fraction) const {
-  const AnimatableLengthPoint3D* lengthPoint = toAnimatableLengthPoint3D(value);
-  return AnimatableLengthPoint3D::create(
-      AnimatableValue::interpolate(this->x(), lengthPoint->x(), fraction),
-      AnimatableValue::interpolate(this->y(), lengthPoint->y(), fraction),
-      AnimatableValue::interpolate(this->z(), lengthPoint->z(), fraction));
-}
-
 bool AnimatableLengthPoint3D::equalTo(const AnimatableValue* value) const {
   const AnimatableLengthPoint3D* lengthPoint = toAnimatableLengthPoint3D(value);
-  return x()->equals(lengthPoint->x()) && y()->equals(lengthPoint->y()) &&
-         z()->equals(lengthPoint->z());
+  return m_x->equals(lengthPoint->m_x.get()) &&
+         m_y->equals(lengthPoint->m_y.get()) &&
+         m_z->equals(lengthPoint->m_z.get());
 }
 
 }  // namespace blink