It is time.

ui/compositor/scoped_layer_animation_settings.h

Index: ui/compositor/scoped_layer_animation_settings.h
diff --git a/ui/compositor/scoped_layer_animation_settings.h b/ui/compositor/scoped_layer_animation_settings.h
deleted file mode 100644
index e201024c5d22c3939e2934680da3b0dea153220a..0000000000000000000000000000000000000000
--- a/ui/compositor/scoped_layer_animation_settings.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// 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.
-
-#ifndef UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_
-#define UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_
-
-#include <set>
-
-#include "base/memory/scoped_vector.h"
-#include "base/time/time.h"
-
-#include "ui/compositor/compositor_export.h"
-#include "ui/compositor/layer_animator.h"
-#include "ui/gfx/animation/tween.h"
-
-namespace ui {
-
-class ImplicitAnimationObserver;
-class LayerAnimationObserver;
-class InvertingObserver;
-
-// Scoped settings allow you to temporarily change the animator's settings and
-// these changes are reverted when the object is destroyed. NOTE: when the
-// settings object is created, it applies the default transition duration
-// (200ms).
-class COMPOSITOR_EXPORT ScopedLayerAnimationSettings {
- public:
-  explicit ScopedLayerAnimationSettings(scoped_refptr<LayerAnimator> animator);
-  virtual ~ScopedLayerAnimationSettings();
-
-  void AddObserver(ImplicitAnimationObserver* observer);
-
-  void SetTransitionDuration(base::TimeDelta duration);
-  base::TimeDelta GetTransitionDuration() const;
-
-  // Locks transition duration in |animator_|. When transition duration
-  // is locked any subsequent changes to it are ignored until the
-  // ScopedLayerAnimationSettings object that has locked the duration goes out
-  // of scope.
-  void LockTransitionDuration();
-
-  void SetTweenType(gfx::Tween::Type tween_type);
-  gfx::Tween::Type GetTweenType() const;
-
-  void SetPreemptionStrategy(LayerAnimator::PreemptionStrategy strategy);
-  LayerAnimator::PreemptionStrategy GetPreemptionStrategy() const;
-
-  // Sets the base layer whose animation will be countered.
-  void SetInverselyAnimatedBaseLayer(Layer* base);
-
-  // Adds the layer to be counter-animated when a transform animation is
-  // scheduled on the animator_. Must call SetInverselyAnimatedBaseLayer with
-  // the layer associated with animator_ before animating.
-  void AddInverselyAnimatedLayer(Layer* inverse_layer);
-
- private:
-  scoped_refptr<LayerAnimator> animator_;
-  bool old_is_transition_duration_locked_;
-  base::TimeDelta old_transition_duration_;
-  gfx::Tween::Type old_tween_type_;
-  LayerAnimator::PreemptionStrategy old_preemption_strategy_;
-  std::set<ImplicitAnimationObserver*> observers_;
-  scoped_ptr<InvertingObserver> inverse_observer_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedLayerAnimationSettings);
-};
-
-}  // namespace ui
-
-#endif  // UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_