Add two pixel-based compositor unittests.

ui/gfx/compositor/test_layer_animation_delegate.h

-// Copyright (c) 2011 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_GFX_COMPOSITOR_TEST_LAYER_ANIMATION_DELEGATE_H_
-#define UI_GFX_COMPOSITOR_TEST_LAYER_ANIMATION_DELEGATE_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/transform.h"
-#include "ui/gfx/compositor/layer_animation_delegate.h"
-
-namespace ui {
-
-class LayerAnimationSequence;
-
-class TestLayerAnimationDelegate : public LayerAnimationDelegate {
- public:
-  TestLayerAnimationDelegate();
-  TestLayerAnimationDelegate(const LayerAnimationDelegate& other);
-  virtual ~TestLayerAnimationDelegate();
-
-  // Implementation of LayerAnimationDelegate
-  virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE;
-  virtual void SetTransformFromAnimation(const Transform& transform) OVERRIDE;
-  virtual void SetOpacityFromAnimation(float opacity) OVERRIDE;
-  virtual void ScheduleDrawForAnimation() OVERRIDE;
-  virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE;
-  virtual const Transform& GetTransformForAnimation() const OVERRIDE;
-  virtual float GetOpacityForAnimation() const OVERRIDE;
-
- private:
-  gfx::Rect bounds_;
-  Transform transform_;
-  float opacity_;
-
-  // Allow copy and assign.
-};
-
-}  // namespace ui
-
-#endif  // UI_GFX_COMPOSITOR_TEST_LAYER_ANIMATION_DELEGATE_H_