Remove some platform specific stuff from views.

ui/app_list/views/top_icon_animation_view.cc

Index: ui/app_list/views/top_icon_animation_view.cc
diff --git a/ui/app_list/views/top_icon_animation_view.cc b/ui/app_list/views/top_icon_animation_view.cc
deleted file mode 100644
index 1d6e2c50253ed6e8eba17695e1183b24cc1730bb..0000000000000000000000000000000000000000
--- a/ui/app_list/views/top_icon_animation_view.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2014 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/app_list/views/top_icon_animation_view.h"
-
-#include "base/thread_task_runner_handle.h"
-#include "ui/app_list/app_list_constants.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/image/image_skia_operations.h"
-#include "ui/views/controls/image_view.h"
-
-namespace app_list {
-
-TopIconAnimationView::TopIconAnimationView(const gfx::ImageSkia& icon,
-                                           const gfx::Rect& scaled_rect,
-                                           bool open_folder)
-    : icon_size_(kGridIconDimension, kGridIconDimension),
-      icon_(new views::ImageView),
-      scaled_rect_(scaled_rect),
-      open_folder_(open_folder) {
-  DCHECK(!icon.isNull());
-  gfx::ImageSkia resized(gfx::ImageSkiaOperations::CreateResizedImage(
-      icon,
-      skia::ImageOperations::RESIZE_BEST, icon_size_));
-  icon_->SetImage(resized);
-  AddChildView(icon_);
-
-  SetPaintToLayer(true);
-  SetFillsBoundsOpaquely(false);
-}
-
-TopIconAnimationView::~TopIconAnimationView() {
-  // Required due to RequiresNotificationWhenAnimatorDestroyed() returning true.
-  // See ui::LayerAnimationObserver for details.
-  StopObservingImplicitAnimations();
-}
-
-void TopIconAnimationView::AddObserver(TopIconAnimationObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void TopIconAnimationView::RemoveObserver(TopIconAnimationObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void TopIconAnimationView::TransformView() {
-  // This view will delete itself on animation completion.
-  set_owned_by_client();
-
-  // Transform used for scaling down the icon and move it back inside to the
-  // original folder icon.
-  const float kIconTransformScale = 0.33333f;
-  gfx::Transform transform;
-  transform.Translate(scaled_rect_.x() - layer()->bounds().x(),
-                      scaled_rect_.y() - layer()->bounds().y());
-  transform.Scale(kIconTransformScale, kIconTransformScale);
-
-  if (open_folder_) {
-    // Transform to a scaled down icon inside the original folder icon.
-    layer()->SetTransform(transform);
-  }
-
-  // Animate the icon to its target location and scale when opening or
-  // closing a folder.
-  ui::ScopedLayerAnimationSettings settings(layer()->GetAnimator());
-  settings.AddObserver(this);
-  settings.SetTweenType(gfx::Tween::FAST_OUT_SLOW_IN);
-  settings.SetTransitionDuration(
-      base::TimeDelta::FromMilliseconds(kFolderTransitionInDurationMs));
-  layer()->SetTransform(open_folder_ ? gfx::Transform() : transform);
-}
-
-gfx::Size TopIconAnimationView::GetPreferredSize() const {
-  return icon_size_;
-}
-
-void TopIconAnimationView::Layout() {
-  icon_->SetBoundsRect(GetContentsBounds());
-}
-
-void TopIconAnimationView::OnImplicitAnimationsCompleted() {
-  SetVisible(false);
-  FOR_EACH_OBSERVER(TopIconAnimationObserver,
-                    observers_,
-                    OnTopIconAnimationsComplete());
-  base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
-}
-
-bool TopIconAnimationView::RequiresNotificationWhenAnimatorDestroyed() const {
-  return true;
-}
-
-}  // namespace app_list