Remove unused code in InvalidatableInterpolation

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

Index: third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
diff --git a/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp b/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
index def126367e52b4a53e3120a172dbe9580b37954d..d43fc24044584b41a23bdcc9e7996b71950a899e 100644
--- a/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
+++ b/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
@@ -14,7 +14,7 @@ namespace {
 
 class SampleInterpolation : public LegacyStyleInterpolation {
  public:
-  static PassRefPtr<Interpolation> create(
+  static PassRefPtr<LegacyStyleInterpolation> create(
       std::unique_ptr<InterpolableValue> start,
       std::unique_ptr<InterpolableValue> end) {
     return adoptRef(new SampleInterpolation(std::move(start), std::move(end)));
@@ -32,12 +32,13 @@ class SampleInterpolation : public LegacyStyleInterpolation {
 
 class AnimationInterpolableValueTest : public ::testing::Test {
  protected:
-  InterpolableValue* interpolationValue(Interpolation& interpolation) {
+  InterpolableValue* interpolationValue(
+      LegacyStyleInterpolation& interpolation) {
     return interpolation.getCachedValueForTesting();
   }
 
   double interpolateNumbers(double a, double b, double progress) {
-    RefPtr<Interpolation> i = SampleInterpolation::create(
+    RefPtr<LegacyStyleInterpolation> i = SampleInterpolation::create(
         InterpolableNumber::create(a), InterpolableNumber::create(b));
     i->interpolate(0, progress);
     return toInterpolableNumber(interpolationValue(*i.get()))->value();
@@ -49,11 +50,11 @@ class AnimationInterpolableValueTest : public ::testing::Test {
     base.scaleAndAdd(scale, add);
   }
 
-  PassRefPtr<Interpolation> interpolateLists(
+  PassRefPtr<LegacyStyleInterpolation> interpolateLists(
       std::unique_ptr<InterpolableList> listA,
       std::unique_ptr<InterpolableList> listB,
       double progress) {
-    RefPtr<Interpolation> i =
+    RefPtr<LegacyStyleInterpolation> i =
         SampleInterpolation::create(std::move(listA), std::move(listB));
     i->interpolate(0, progress);
     return i;
@@ -80,7 +81,7 @@ TEST_F(AnimationInterpolableValueTest, SimpleList) {
   listB->set(1, InterpolableNumber::create(-200));
   listB->set(2, InterpolableNumber::create(300));
 
-  RefPtr<Interpolation> i =
+  RefPtr<LegacyStyleInterpolation> i =
       interpolateLists(std::move(listA), std::move(listB), 0.3);
   InterpolableList* outList = toInterpolableList(interpolationValue(*i.get()));
   EXPECT_FLOAT_EQ(30, toInterpolableNumber(outList->get(0))->value());
@@ -103,7 +104,7 @@ TEST_F(AnimationInterpolableValueTest, NestedList) {
   listB->set(1, std::move(subListB));
   listB->set(2, InterpolableNumber::create(1));
 
-  RefPtr<Interpolation> i =
+  RefPtr<LegacyStyleInterpolation> i =
       interpolateLists(std::move(listA), std::move(listB), 0.5);
   InterpolableList* outList = toInterpolableList(interpolationValue(*i.get()));
   EXPECT_FLOAT_EQ(50, toInterpolableNumber(outList->get(0))->value());