Use app list item shadow for app list folders.

ui/app_list/views/app_list_item_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 "ui/app_list/views/app_list_item_view.h"
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 92 matching lines @@
   static const gfx::FontList font_list = GetFontList();
   title_->SetFontList(font_list);
   title_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   title_->Invalidate();
   SetTitleSubpixelAA();
 
   AddChildView(icon_);
   AddChildView(title_);
   AddChildView(progress_bar_);
 
-  SetIcon(item->icon(), item->has_shadow());
+  SetIcon(item->icon());
   SetItemName(base::UTF8ToUTF16(item->GetDisplayName()),
               base::UTF8ToUTF16(item->name()));
   SetItemIsInstalling(item->is_installing());
   SetItemIsHighlighted(item->highlighted());
   item->AddObserver(this);
 
   set_context_menu_controller(this);
   set_request_focus_on_press(false);
 
   SetAnimationDuration(0);
 }
 
 AppListItemView::~AppListItemView() {
   if (item_weak_)
     item_weak_->RemoveObserver(this);
 }
 
-void AppListItemView::SetIcon(const gfx::ImageSkia& icon, bool has_shadow) {
+void AppListItemView::SetIcon(const gfx::ImageSkia& icon) {
   // Clear icon and bail out if item icon is empty.
   if (icon.isNull()) {
     icon_->SetImage(NULL);
     return;
   }
 
   gfx::ImageSkia resized(gfx::ImageSkiaOperations::CreateResizedImage(
       icon,
       skia::ImageOperations::RESIZE_BEST,
       gfx::Size(kGridIconDimension, kGridIconDimension)));
-  if (has_shadow || app_list::switches::IsExperimentalAppListEnabled()) {
-    shadow_animator_.SetOriginalImage(resized);
-    return;
-  }
-
-  icon_->SetImage(resized);
+  shadow_animator_.SetOriginalImage(resized);
 }
 
 void AppListItemView::SetUIState(UIState state) {
   if (ui_state_ == state)
     return;
 
   ui_state_ = state;
 
   switch (ui_state_) {
     case UI_STATE_NORMAL:
@@ skipping 394 matching lines @@
     // In other cases, keep the background transparent to ensure correct
     // interactions with animations. This will temporarily disable subpixel AA.
     title_->SetBackgroundColor(0);
     title_->set_background(NULL);
   }
   title_->Invalidate();
   title_->SchedulePaint();
 }
 
 void AppListItemView::ItemIconChanged() {
-  SetIcon(item_weak_->icon(), item_weak_->has_shadow());
+  SetIcon(item_weak_->icon());
 }
 
 void AppListItemView::ItemNameChanged() {
   SetItemName(base::UTF8ToUTF16(item_weak_->GetDisplayName()),
               base::UTF8ToUTF16(item_weak_->name()));
 }
 
 void AppListItemView::ItemIsInstallingChanged() {
   SetItemIsInstalling(item_weak_->is_installing());
 }
 
 void AppListItemView::ItemPercentDownloadedChanged() {
   SetItemPercentDownloaded(item_weak_->percent_downloaded());
 }
 
 void AppListItemView::ItemBeingDestroyed() {
   DCHECK(item_weak_);
   item_weak_->RemoveObserver(this);
   item_weak_ = NULL;
 }
 
 }  // namespace app_list