cc: Delete unused AnimationCurve::AffectsScale and related code

cc/test/animation_test_common.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/test/animation_test_common.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_player.h"
@@ skipping 154 matching lines @@
 
 gfx::Transform FakeTransformTransition::GetValue(base::TimeDelta time) const {
   return gfx::Transform();
 }
 
 bool FakeTransformTransition::AnimatedBoundsForBox(const gfx::BoxF& box,
                                                    gfx::BoxF* bounds) const {
   return false;
 }
 
-bool FakeTransformTransition::AffectsScale() const { return false; }
-
 bool FakeTransformTransition::IsTranslation() const { return true; }
 
 bool FakeTransformTransition::PreservesAxisAlignment() const {
   return true;
 }
 
 bool FakeTransformTransition::AnimationStartScale(bool forward_direction,
                                                   float* start_scale) const {
   *start_scale = 1.f;
   return true;
@@ skipping 237 matching lines @@
     ElementId element_id,
     scoped_refptr<AnimationTimeline> timeline,
     TargetProperty::Type target_property) {
   scoped_refptr<ElementAnimations> element_animations =
       timeline->animation_host()->GetElementAnimationsForElementId(element_id);
   DCHECK(element_animations);
   element_animations->AbortAnimations(target_property);
 }
 
 }  // namespace cc