Revert 220479 "Add support for inverse transform animations."

trunk/src/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"
 
 namespace ui {
 
 TransformAnimationCurveAdapter::TransformAnimationCurveAdapter(
     Tween::Type tween_type,
@@ skipping 42 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;
 }
 
-InverseTransformCurveAdapter::InverseTransformCurveAdapter(
-    TransformAnimationCurveAdapter base_curve,
-    gfx::Transform initial_value,
-    base::TimeDelta duration)
-    : base_curve_(base_curve),
-      initial_value_(initial_value),
-      duration_(duration) {
-  effective_initial_value_ = base_curve_.GetValue(0.0) * initial_value_;
-}
-
-InverseTransformCurveAdapter::~InverseTransformCurveAdapter() {
-}
-
-double InverseTransformCurveAdapter::Duration() const {
-  return duration_.InSeconds();
-}
-
-scoped_ptr<cc::AnimationCurve> InverseTransformCurveAdapter::Clone() const {
-  scoped_ptr<InverseTransformCurveAdapter> to_return(
-      new InverseTransformCurveAdapter(base_curve_,
-                                       initial_value_,
-                                       duration_));
-  return to_return.PassAs<cc::AnimationCurve>();
-}
-
-gfx::Transform InverseTransformCurveAdapter::GetValue(
-    double t) const {
-  if (t <= 0.0)
-    return initial_value_;
-
-  gfx::Transform base_transform = base_curve_.GetValue(t);
-  // Invert base
-  gfx::Transform to_return(gfx::Transform::kSkipInitialization);
-  DCHECK(base_transform.GetInverse(&to_return));
-
-  to_return.PreconcatTransform(effective_initial_value_);
-  return to_return;
-}
-
-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;
-}
-
 }  // namespace ui