Use an auxiliary list of animation controllers.

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 "cc/keyframed_animation_curve.h"
 #include "cc/layer.h"
 #include "cc/layer_animation_controller.h"
 #include "cc/layer_impl.h"
@@ skipping 132 matching lines @@
 }
 
 float FakeFloatTransition::getValue(double time) const
 {
     time /= m_duration;
     if (time >= 1)
         time = 1;
     return (1 - time) * m_from + time * m_to;
 }
 
-FakeLayerAnimationControllerClient::FakeLayerAnimationControllerClient()
-    : m_opacity(0)
-{
-}
-
-FakeLayerAnimationControllerClient::~FakeLayerAnimationControllerClient()
-{
-}
-
-int FakeLayerAnimationControllerClient::id() const
-{
-    return 0;
-}
-
-void FakeLayerAnimationControllerClient::setOpacityFromAnimation(float opacity)
-{
-    m_opacity = opacity;
-}
-
-float FakeLayerAnimationControllerClient::opacity() const
-{
-    return m_opacity;
-}
-
-void FakeLayerAnimationControllerClient::setTransformFromAnimation(const gfx::Transform& transform)
-{
-    m_transform = transform;
-}
-
-const gfx::Transform& FakeLayerAnimationControllerClient::transform() const
-{
-    return m_transform;
-}
-
 scoped_ptr<cc::AnimationCurve> FakeFloatTransition::clone() const
 {
     return make_scoped_ptr(new FakeFloatTransition(*this)).PassAs<cc::AnimationCurve>();
 }
 
 int addOpacityTransitionToController(cc::LayerAnimationController& controller, double duration, float startOpacity, float endOpacity, bool useTimingFunction)
 {
     return addOpacityTransition(controller, duration, startOpacity, endOpacity, useTimingFunction);
 }
 
@@ skipping 16 matching lines @@
 {
     return addAnimatedTransform(layer, duration, deltaX, deltaY);
 }
 
 int addAnimatedTransformToLayer(cc::LayerImpl& layer, double duration, int deltaX, int deltaY)
 {
     return addAnimatedTransform(*layer.layerAnimationController(), duration, deltaX, deltaY);
 }
 
 } // namespace WebKitTests