cc: Delete unused AnimationCurve::AffectsScale and related code

cc/animation/animation_player.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/animation_player.h"
 
 #include <algorithm>
 
 #include "cc/animation/animation_delegate.h"
 #include "cc/animation/animation_host.h"
@@ skipping 805 matching lines @@
     bool success =
         transform_animation_curve->AnimatedBoundsForBox(box, &animation_bounds);
     if (!success)
       return false;
     bounds->Union(animation_bounds);
   }
 
   return true;
 }
 
-bool AnimationPlayer::HasAnimationThatAffectsScale() const {
-  for (size_t i = 0; i < animations_.size(); ++i) {
-    if (animations_[i]->is_finished() ||
-        animations_[i]->target_property() != TargetProperty::TRANSFORM)
-      continue;
-
-    const TransformAnimationCurve* transform_animation_curve =
-        animations_[i]->curve()->ToTransformAnimationCurve();
-    if (transform_animation_curve->AffectsScale())
-      return true;
-  }
-
-  return false;
-}
-
 bool AnimationPlayer::HasOnlyTranslationTransforms(
     ElementListType list_type) const {
   for (size_t i = 0; i < animations_.size(); ++i) {
     if (animations_[i]->is_finished() ||
         animations_[i]->target_property() != TargetProperty::TRANSFORM)
       continue;
 
     if ((list_type == ElementListType::ACTIVE &&
          !animations_[i]->affects_active_elements()) ||
         (list_type == ElementListType::PENDING &&
@@ skipping 289 matching lines @@
     AnimationPlayer* animation_player_impl) {
   for (size_t i = 0; i < animations_.size(); ++i) {
     Animation* current_impl =
         animation_player_impl->GetAnimationById(animations_[i]->id());
     if (current_impl)
       animations_[i]->PushPropertiesTo(current_impl);
   }
 }
 
 }  // namespace cc