cc: Delete unused AnimationCurve::AffectsScale and related code

cc/animation/element_animations_unittest.cc

 // Copyright 2015 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/element_animations.h"
 
 #include "cc/animation/animation_delegate.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_player.h"
@@ skipping 2201 matching lines @@
 
   // We should have exactly 2 events: a FINISHED event for the tranform
   // animation, and an ABORTED event for the opacity animation.
   EXPECT_EQ(2u, events->events_.size());
   EXPECT_EQ(AnimationEvent::FINISHED, events->events_[0].type);
   EXPECT_EQ(TargetProperty::TRANSFORM, events->events_[0].target_property);
   EXPECT_EQ(AnimationEvent::ABORTED, events->events_[1].type);
   EXPECT_EQ(TargetProperty::OPACITY, events->events_[1].target_property);
 }
 
-TEST_F(ElementAnimationsTest, HasAnimationThatAffectsScale) {
-  CreateTestLayer(true, false);
-  AttachTimelinePlayerLayer();
-  CreateImplTimelineAndPlayer();
-
-  scoped_refptr<ElementAnimations> animations_impl = element_animations_impl();
-
-  EXPECT_FALSE(animations_impl->HasAnimationThatAffectsScale());
-
-  animations_impl->AddAnimation(CreateAnimation(
-      std::unique_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)),
-      1, TargetProperty::OPACITY));
-
-  // Opacity animations don't affect scale.
-  EXPECT_FALSE(animations_impl->HasAnimationThatAffectsScale());
-
-  std::unique_ptr<KeyframedTransformAnimationCurve> curve1(
-      KeyframedTransformAnimationCurve::Create());
-
-  TransformOperations operations1;
-  curve1->AddKeyframe(
-      TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
-  operations1.AppendTranslate(10.0, 15.0, 0.0);
-  curve1->AddKeyframe(TransformKeyframe::Create(
-      base::TimeDelta::FromSecondsD(1.0), operations1, nullptr));
-
-  std::unique_ptr<Animation> animation(
-      Animation::Create(std::move(curve1), 2, 2, TargetProperty::TRANSFORM));
-  animations_impl->AddAnimation(std::move(animation));
-
-  // Translations don't affect scale.
-  EXPECT_FALSE(animations_impl->HasAnimationThatAffectsScale());
-
-  std::unique_ptr<KeyframedTransformAnimationCurve> curve2(
-      KeyframedTransformAnimationCurve::Create());
-
-  TransformOperations operations2;
-  curve2->AddKeyframe(
-      TransformKeyframe::Create(base::TimeDelta(), operations2, nullptr));
-  operations2.AppendScale(2.0, 3.0, 4.0);
-  curve2->AddKeyframe(TransformKeyframe::Create(
-      base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
-
-  animation =
-      Animation::Create(std::move(curve2), 3, 3, TargetProperty::TRANSFORM);
-  animations_impl->AddAnimation(std::move(animation));
-
-  EXPECT_TRUE(animations_impl->HasAnimationThatAffectsScale());
-
-  animations_impl->GetAnimationById(3)->SetRunState(Animation::FINISHED,
-                                                    TicksFromSecondsF(0.0));
-
-  // Only unfinished animations should be considered by
-  // HasAnimationThatAffectsScale.
-  EXPECT_FALSE(animations_impl->HasAnimationThatAffectsScale());
-}
-
 TEST_F(ElementAnimationsTest, HasOnlyTranslationTransforms) {
   CreateTestLayer(true, false);
   AttachTimelinePlayerLayer();
   CreateImplTimelineAndPlayer();
 
   scoped_refptr<ElementAnimations> animations_impl = element_animations_impl();
 
   EXPECT_TRUE(
       animations_impl->HasOnlyTranslationTransforms(ElementListType::ACTIVE));
   EXPECT_TRUE(
@@ skipping 1485 matching lines @@
   EXPECT_FALSE(animations->IsPotentiallyAnimatingProperty(
       TargetProperty::OPACITY, ElementListType::ACTIVE));
   EXPECT_FALSE(animations->IsCurrentlyAnimatingProperty(
       TargetProperty::OPACITY, ElementListType::PENDING));
   EXPECT_FALSE(animations->IsCurrentlyAnimatingProperty(
       TargetProperty::OPACITY, ElementListType::ACTIVE));
 }
 
 }  // namespace
 }  // namespace cc