cc: Delete unused AnimationCurve::AffectsScale and related code

ui/compositor/transform_animation_curve_adapter.cc

 // Copyright (c) 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 "ui/compositor/transform_animation_curve_adapter.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/base/time_util.h"
 
 namespace ui {
@@ skipping 46 matching lines @@
 
 bool TransformAnimationCurveAdapter::AnimatedBoundsForBox(
     const gfx::BoxF& box,
     gfx::BoxF* bounds) const {
   // TODO(ajuma): Once cc::TransformOperation::BlendedBoundsForBox supports
   // computing bounds for TransformOperationMatrix, use that to compute
   // the bounds we need here.
   return false;
 }
 
-bool TransformAnimationCurveAdapter::AffectsScale() const {
-  return !initial_value_.IsIdentityOrTranslation() ||
-         !target_value_.IsIdentityOrTranslation();
-}
-
 bool TransformAnimationCurveAdapter::IsTranslation() const {
   return initial_value_.IsIdentityOrTranslation() &&
          target_value_.IsIdentityOrTranslation();
 }
 
 bool TransformAnimationCurveAdapter::PreservesAxisAlignment() const {
   return (initial_value_.IsIdentity() ||
           initial_value_.IsScaleOrTranslation()) &&
          (target_value_.IsIdentity() || target_value_.IsScaleOrTranslation());
 }
@@ skipping 50 matching lines @@
 
 bool InverseTransformCurveAdapter::AnimatedBoundsForBox(
     const gfx::BoxF& box,
     gfx::BoxF* bounds) const {
   // TODO(ajuma): Once cc::TransformOperation::BlendedBoundsForBox supports
   // computing bounds for TransformOperationMatrix, use that to compute
   // the bounds we need here.
   return false;
 }
 
-bool InverseTransformCurveAdapter::AffectsScale() const {
-  return !initial_value_.IsIdentityOrTranslation() ||
-         base_curve_.AffectsScale();
-}
-
 bool InverseTransformCurveAdapter::IsTranslation() const {
   return initial_value_.IsIdentityOrTranslation() &&
          base_curve_.IsTranslation();
 }
 
 bool InverseTransformCurveAdapter::PreservesAxisAlignment() const {
   return (initial_value_.IsIdentity() ||
           initial_value_.IsScaleOrTranslation()) &&
          (base_curve_.PreservesAxisAlignment());
 }
 
 bool InverseTransformCurveAdapter::AnimationStartScale(
     bool forward_direction,
     float* start_scale) const {
   return false;
 }
 
 bool InverseTransformCurveAdapter::MaximumTargetScale(bool forward_direction,
                                                       float* max_scale) const {
   return false;
 }
 
 }  // namespace ui