Remove some platform specific stuff from views.

ui/app_list/app_list_folder_item.h

Index: ui/app_list/app_list_folder_item.h
diff --git a/ui/app_list/app_list_folder_item.h b/ui/app_list/app_list_folder_item.h
deleted file mode 100644
index 9b51d4b78775ab046f58197d0ce435ceeb35abb1..0000000000000000000000000000000000000000
--- a/ui/app_list/app_list_folder_item.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2013 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_APP_LIST_APP_LIST_FOLDER_ITEM_H_
-#define UI_APP_LIST_APP_LIST_FOLDER_ITEM_H_
-
-#include <string>
-#include <vector>
-
-#include "ui/app_list/app_list_export.h"
-#include "ui/app_list/app_list_item.h"
-#include "ui/app_list/app_list_item_list_observer.h"
-#include "ui/app_list/app_list_item_observer.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace app_list {
-
-class AppListItemList;
-
-typedef std::vector<gfx::Rect> Rects;
-
-// AppListFolderItem implements the model/controller for folders.
-class APP_LIST_EXPORT AppListFolderItem : public AppListItem,
-                                          public AppListItemListObserver,
-                                          public AppListItemObserver {
- public:
-  // The folder type affects folder behavior.
-  enum FolderType {
-    // Default folder type.
-    FOLDER_TYPE_NORMAL,
-    // Items can not be moved to/from OEM folders in the UI.
-    FOLDER_TYPE_OEM
-  };
-
-  static const char kItemType[];
-
-  AppListFolderItem(const std::string& id, FolderType folder_type);
-  ~AppListFolderItem() override;
-
-  // Updates the folder's icon.
-  void UpdateIcon();
-
-  // Returns the icon of one of the top items with |item_index|.
-  const gfx::ImageSkia& GetTopIcon(size_t item_index);
-
-  // Returns the target icon bounds for |item| to fly back to its parent folder
-  // icon in animation UI. If |item| is one of the top item icon, this will
-  // match its corresponding top item icon in the folder icon. Otherwise,
-  // the target icon bounds is centered at the |folder_icon_bounds| with
-  // the same size of the top item icon.
-  // The Rect returned is in the same coordinates of |folder_icon_bounds|.
-  gfx::Rect GetTargetIconRectInFolderForItem(
-      AppListItem* item, const gfx::Rect& folder_icon_bounds);
-
-  AppListItemList* item_list() { return item_list_.get(); }
-  const AppListItemList* item_list() const { return item_list_.get(); }
-
-  FolderType folder_type() const { return folder_type_; }
-
-  // AppListItem
-  void Activate(int event_flags) override;
-  const char* GetItemType() const override;
-  ui::MenuModel* GetContextMenuModel() override;
-  AppListItem* FindChildItem(const std::string& id) override;
-  size_t ChildItemCount() const override;
-  void OnExtensionPreferenceChanged() override;
-  bool CompareForTest(const AppListItem* other) const override;
-
-  // Calculates the top item icons' bounds inside |folder_icon_bounds|.
-  // Returns the bounds of top item icons in sequence of top left, top right,
-  // bottom left, bottom right.
-  static Rects GetTopIconsBounds(const gfx::Rect& folder_icon_bounds);
-
-  // Returns an id for a new folder.
-  static std::string GenerateId();
-
- private:
-  // AppListItemObserver
-  void ItemIconChanged() override;
-
-  // AppListItemListObserver
-  void OnListItemAdded(size_t index, AppListItem* item) override;
-  void OnListItemRemoved(size_t index, AppListItem* item) override;
-  ;
-  void OnListItemMoved(size_t from_index,
-                       size_t to_index,
-                       AppListItem* item) override;
-
-  void UpdateTopItems();
-
-  // The type of folder; may affect behavior of folder views.
-  const FolderType folder_type_;
-
-  // List of items in the folder.
-  scoped_ptr<AppListItemList> item_list_;
-
-  // Top items for generating folder icon.
-  std::vector<AppListItem*> top_items_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppListFolderItem);
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_APP_LIST_FOLDER_ITEM_H_