cc: Delete unused AnimationCurve::AffectsScale and related code

cc/animation/keyframed_animation_curve_unittest.cc

 // Copyright 2012 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 "cc/animation/keyframed_animation_curve.h"
 
 #include "cc/animation/transform_operations.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/animation/tween.h"
@@ skipping 543 matching lines @@
           CubicBezierTimingFunction::EaseType::EASE)));
 
   gfx::BoxF box(2.f, 3.f, 4.f, 1.f, 3.f, 2.f);
   gfx::BoxF bounds;
 
   EXPECT_TRUE(curve->AnimatedBoundsForBox(box, &bounds));
   EXPECT_EQ(gfx::BoxF(2.f, 3.f, 3.f, 5.f, 6.f, 5.f).ToString(),
             bounds.ToString());
 }
 
-// Tests that animations that affect scale are correctly identified.
-TEST(KeyframedAnimationCurveTest, AffectsScale) {
-  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
-      KeyframedTransformAnimationCurve::Create());
-
-  TransformOperations operations1;
-  curve->AddKeyframe(
-      TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
-  operations1.AppendTranslate(2.0, 3.0, -1.0);
-  TransformOperations operations2;
-  operations2.AppendTranslate(4.0, 1.0, 2.0);
-  curve->AddKeyframe(TransformKeyframe::Create(
-      base::TimeDelta::FromSecondsD(1.f), operations2, nullptr));
-
-  EXPECT_FALSE(curve->AffectsScale());
-
-  TransformOperations operations3;
-  operations3.AppendScale(2.f, 2.f, 2.f);
-  curve->AddKeyframe(TransformKeyframe::Create(
-      base::TimeDelta::FromSecondsD(2.f), operations3, nullptr));
-
-  EXPECT_TRUE(curve->AffectsScale());
-
-  TransformOperations operations4;
-  operations3.AppendTranslate(2.f, 2.f, 2.f);
-  curve->AddKeyframe(TransformKeyframe::Create(
-      base::TimeDelta::FromSecondsD(3.f), operations4, nullptr));
-
-  EXPECT_TRUE(curve->AffectsScale());
-}
-
 // Tests that animations that are translations are correctly identified.
 TEST(KeyframedAnimationCurveTest, IsTranslation) {
   std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendTranslate(2.0, 3.0, -1.0);
   TransformOperations operations2;
@@ skipping 330 matching lines @@
               curve->GetValue(base::TimeDelta::FromSecondsD(scale * 3.5f)),
               0.01f);
   EXPECT_FLOAT_EQ(9.f,
                   curve->GetValue(base::TimeDelta::FromSecondsD(scale * 4.f)));
   EXPECT_FLOAT_EQ(9.f,
                   curve->GetValue(base::TimeDelta::FromSecondsD(scale * 5.f)));
 }
 
 }  // namespace
 }  // namespace cc