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

ash/desktop_background/desktop_background_view.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 "ash/desktop_background/desktop_background_view.h"
 
 #include <limits>
 
 #include "ash/ash_export.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 134 matching lines @@
   views::Widget::InitParams params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   DesktopBackgroundView* view = new DesktopBackgroundView();
   params.delegate = view;
   if (controller->GetWallpaper().empty())
     params.transparent = true;
   params.parent = root_window->GetChildById(
       ash::internal::kShellWindowId_DesktopBackgroundContainer);
   desktop_widget->Init(params);
   desktop_widget->SetContentsView(view);
-  ash::SetWindowVisibilityAnimationType(
-      desktop_widget->GetNativeView(),
-      ash::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
-  ash::SetWindowVisibilityAnimationTransition(
-      desktop_widget->GetNativeView(),
-      ash::ANIMATE_SHOW);
+  ash::WindowVisibilityAnimationType animation_type =
+      ash::Shell::GetInstance()->user_wallpaper_delegate()->GetAnimationType();
+  ash::SetWindowVisibilityAnimationType(desktop_widget->GetNativeView(),
+                                        animation_type);
+  ash::SetWindowVisibilityAnimationTransition(desktop_widget->GetNativeView(),
+                                              ash::ANIMATE_SHOW);
   desktop_widget->SetBounds(params.parent->bounds());
-  ui::ScopedLayerAnimationSettings settings(desktop_widget->GetNativeView()->
-                                            layer()->GetAnimator());
+  ui::ScopedLayerAnimationSettings settings(
+      desktop_widget->GetNativeView()->layer()->GetAnimator());
   settings.SetPreemptionStrategy(ui::LayerAnimator::ENQUEUE_NEW_ANIMATION);
   settings.AddObserver(new ShowWallpaperAnimationObserver(root_window,
                                                           desktop_widget));
   desktop_widget->Show();
   desktop_widget->GetNativeView()->SetName("DesktopBackgroundView");
 }
 
 }  // namespace internal
 }  // namespace ash