Add brightness/grayscale animations and use them for OOBE boot transition

ui/compositor/test/test_layer_animation_delegate.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/test/test_layer_animation_delegate.h"
 
 namespace ui {
 
 TestLayerAnimationDelegate::TestLayerAnimationDelegate()
     : opacity_(1.0f),
@@ skipping 22 matching lines @@
 }
 
 void TestLayerAnimationDelegate::SetOpacityFromAnimation(float opacity) {
   opacity_ = opacity;
 }
 
 void TestLayerAnimationDelegate::SetVisibilityFromAnimation(bool visibility) {
   visibility_ = visibility;
 }
 
+void TestLayerAnimationDelegate::SetBrightnessFromAnimation(float brightness) {
+  brightness_ = brightness;
+}
+
+void TestLayerAnimationDelegate::SetGrayscaleFromAnimation(float grayscale) {
+  grayscale_ = grayscale;
+}
+
 void TestLayerAnimationDelegate::ScheduleDrawForAnimation() {
 }
 
 const gfx::Rect& TestLayerAnimationDelegate::GetBoundsForAnimation() const {
   return bounds_;
 }
 
 const Transform& TestLayerAnimationDelegate::GetTransformForAnimation() const {
   return transform_;
 }
 
 float TestLayerAnimationDelegate::GetOpacityForAnimation() const {
   return opacity_;
 }
 
 bool TestLayerAnimationDelegate::GetVisibilityForAnimation() const {
   return visibility_;
 }
 
+float TestLayerAnimationDelegate::GetBrightnessForAnimation() const {
+  return brightness_;
+}
+
+float TestLayerAnimationDelegate::GetGrayscaleForAnimation() const {
+  return grayscale_;
+}
+
 }  // namespace ui