Part 3 of cc/ directory shuffles: animation

cc/scrollbar_animation_controller.h

-// 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.
-
-#ifndef CC_SCROLLBAR_ANIMATION_CONTROLLER_H_
-#define CC_SCROLLBAR_ANIMATION_CONTROLLER_H_
-
-#include "base/time.h"
-#include "cc/base/cc_export.h"
-#include "ui/gfx/vector2d_f.h"
-
-namespace cc {
-
-// This abstract class represents the compositor-side analogy of ScrollbarAnimator.
-// Individual platforms should subclass it to provide specialized implementation.
-class CC_EXPORT ScrollbarAnimationController {
-public:
-    virtual ~ScrollbarAnimationController() {}
-
-    virtual bool isScrollGestureInProgress() const = 0;
-    virtual bool isAnimating() const = 0;
-    virtual base::TimeDelta delayBeforeStart(base::TimeTicks now) const = 0;
-
-    virtual bool animate(base::TimeTicks) = 0;
-    virtual void didScrollGestureBegin() = 0;
-    virtual void didScrollGestureEnd(base::TimeTicks now) = 0;
-    virtual void didProgrammaticallyUpdateScroll(base::TimeTicks now) = 0;
-};
-
-} // namespace cc
-
-#endif  // CC_SCROLLBAR_ANIMATION_CONTROLLER_H_