Removing unused functionality from ScopedLayerAnimationSettings: inverse animations.

ui/compositor/layer_animator_unittest.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/layer_animator.h"
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
@@ skipping 2358 matching lines @@
   EXPECT_EQ(start_opacity, delegate.GetOpacityForAnimation());
 
   settings.SetPreemptionStrategy(
       LayerAnimator::ENQUEUE_NEW_ANIMATION);
   settings.SetTransitionDuration(base::TimeDelta());
   animator->SetOpacity(magic_opacity);
 
   EXPECT_EQ(start_opacity, delegate.GetOpacityForAnimation());
 }
 
-TEST(LayerAnimatorTest, TestScopedCounterAnimation) {
-  Layer parent, child;
-  parent.Add(&child);
-
-  gfx::Transform parent_begin, parent_end;
-
-  parent_end.Scale3d(2.0, 0.5, 1.0);
-
-  // Parent animates from identity to the end value. The counter animation will
-  // start at the end value and animate back to identity.
-  gfx::Transform child_begin(parent_end);
-
-  child.SetTransform(child_begin);
-  parent.SetTransform(parent_begin);
-
-  EXPECT_FALSE(child.GetAnimator()->is_animating());
-
-  ScopedLayerAnimationSettings settings(parent.GetAnimator());
-  settings.SetInverselyAnimatedBaseLayer(&parent);
-  settings.AddInverselyAnimatedLayer(&child);
-
-  parent.SetTransform(parent_end);
-
-  EXPECT_TRUE(child.GetAnimator()->is_animating());
-  EXPECT_TRUE(child.GetTargetTransform().IsIdentity())
-    << child.GetTargetTransform().ToString();
-
-}
-
 class CollectionLayerAnimationDelegate : public TestLayerAnimationDelegate {
  public:
   CollectionLayerAnimationDelegate() : collection(NULL) {}
   ~CollectionLayerAnimationDelegate() override {}
 
   // LayerAnimationDelegate:
   LayerAnimatorCollection* GetLayerAnimatorCollection() override {
     return &collection;
   }
 
@@ skipping 405 matching lines @@
   EXPECT_EQ(observer.last_ended_sequence(), nullptr);
   EXPECT_EQ(observer.last_detached_sequence(), first_sequence);
 
   EXPECT_TRUE(observer.AbortedEpochIsBeforeDetachedEpoch());
   EXPECT_TRUE(observer.AbortedEpochIsBeforeStartedEpoch());
   EXPECT_TRUE(observer.AttachedEpochIsBeforeScheduledEpoch());
   EXPECT_TRUE(observer.ScheduledEpochIsBeforeStartedEpoch());
 }
 
 }  // namespace ui