Remove unused code in InvalidatableInterpolation

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/animation/InterpolableValue.h"
 
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <memory>
 
 namespace blink {
 
 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)));
   }
 
  private:
   SampleInterpolation(std::unique_ptr<InterpolableValue> start,
                       std::unique_ptr<InterpolableValue> end)
       : LegacyStyleInterpolation(std::move(start),
                                  std::move(end),
                                  CSSPropertyBackgroundColor) {}
 };
 
 }  // namespace
 
 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();
   }
 
   void scaleAndAdd(InterpolableValue& base,
                    double scale,
                    const InterpolableValue& add) {
     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;
   }
 };
 
 TEST_F(AnimationInterpolableValueTest, InterpolateNumbers) {
   EXPECT_FLOAT_EQ(126, interpolateNumbers(42, 0, -2));
   EXPECT_FLOAT_EQ(42, interpolateNumbers(42, 0, 0));
   EXPECT_FLOAT_EQ(29.4f, interpolateNumbers(42, 0, 0.3));
   EXPECT_FLOAT_EQ(21, interpolateNumbers(42, 0, 0.5));
   EXPECT_FLOAT_EQ(0, interpolateNumbers(42, 0, 1));
   EXPECT_FLOAT_EQ(-21, interpolateNumbers(42, 0, 1.5));
 }
 
 TEST_F(AnimationInterpolableValueTest, SimpleList) {
   std::unique_ptr<InterpolableList> listA = InterpolableList::create(3);
   listA->set(0, InterpolableNumber::create(0));
   listA->set(1, InterpolableNumber::create(42));
   listA->set(2, InterpolableNumber::create(20.5));
 
   std::unique_ptr<InterpolableList> listB = InterpolableList::create(3);
   listB->set(0, InterpolableNumber::create(100));
   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());
   EXPECT_FLOAT_EQ(-30.6f, toInterpolableNumber(outList->get(1))->value());
   EXPECT_FLOAT_EQ(104.35f, toInterpolableNumber(outList->get(2))->value());
 }
 
 TEST_F(AnimationInterpolableValueTest, NestedList) {
   std::unique_ptr<InterpolableList> listA = InterpolableList::create(3);
   listA->set(0, InterpolableNumber::create(0));
   std::unique_ptr<InterpolableList> subListA = InterpolableList::create(1);
   subListA->set(0, InterpolableNumber::create(100));
   listA->set(1, std::move(subListA));
   listA->set(2, InterpolableNumber::create(0));
 
   std::unique_ptr<InterpolableList> listB = InterpolableList::create(3);
   listB->set(0, InterpolableNumber::create(100));
   std::unique_ptr<InterpolableList> subListB = InterpolableList::create(1);
   subListB->set(0, InterpolableNumber::create(50));
   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());
   EXPECT_FLOAT_EQ(
       75, toInterpolableNumber(toInterpolableList(outList->get(1))->get(0))
               ->value());
   EXPECT_FLOAT_EQ(0.5, toInterpolableNumber(outList->get(2))->value());
 }
 
 TEST_F(AnimationInterpolableValueTest, ScaleAndAddNumbers) {
@@ skipping 19 matching lines @@
   addList->set(0, InterpolableNumber::create(1));
   addList->set(1, InterpolableNumber::create(2));
   addList->set(2, InterpolableNumber::create(3));
   scaleAndAdd(*baseList, 2, *addList);
   EXPECT_FLOAT_EQ(11, toInterpolableNumber(baseList->get(0))->value());
   EXPECT_FLOAT_EQ(22, toInterpolableNumber(baseList->get(1))->value());
   EXPECT_FLOAT_EQ(33, toInterpolableNumber(baseList->get(2))->value());
 }
 
 }  // namespace blink