Remove some platform specific stuff from views.

ui/app_list/views/folder_header_view.h

Index: ui/app_list/views/folder_header_view.h
diff --git a/ui/app_list/views/folder_header_view.h b/ui/app_list/views/folder_header_view.h
deleted file mode 100644
index 3d1e7b6a0734c10662dc595770e6190d15b5c501..0000000000000000000000000000000000000000
--- a/ui/app_list/views/folder_header_view.h
+++ /dev/null
@@ -1,95 +0,0 @@
-// Copyright (c) 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_VIEWS_FOLDER_HEADER_VIEW_H_
-#define UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
-
-#include <string>
-
-#include "ui/app_list/app_list_export.h"
-#include "ui/app_list/app_list_item_observer.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/textfield/textfield_controller.h"
-#include "ui/views/view.h"
-
-namespace views {
-class ImageButton;
-}  // namespace views
-
-namespace app_list {
-
-class AppListFolderItem;
-class AppListFolderView;
-class FolderHeaderViewDelegate;
-
-namespace test {
-class FolderHeaderViewTest;
-}
-
-// FolderHeaderView contains a back button and an editable folder name field.
-class APP_LIST_EXPORT FolderHeaderView : public views::View,
-                                         public views::TextfieldController,
-                                         public views::ButtonListener,
-                                         public AppListItemObserver {
- public:
-  explicit FolderHeaderView(FolderHeaderViewDelegate* delegate);
-  virtual ~FolderHeaderView();
-
-  void SetFolderItem(AppListFolderItem* folder_item);
-  void UpdateFolderNameVisibility(bool visible);
-  void OnFolderItemRemoved();
-
-  // Overridden from views::View:
-  virtual gfx::Size GetPreferredSize() const override;
-
- private:
-  class FolderNameView;
-  friend class test::FolderHeaderViewTest;
-
-  // Updates UI.
-  void Update();
-
-  // Updates the accessible name of the folder name control.
-  void UpdateFolderNameAccessibleName();
-
-  // Gets and sets the folder name for test.
-  const base::string16& GetFolderNameForTest();
-  void SetFolderNameForTest(const base::string16& name);
-
-  // Returns true if folder name is enabled, only for testing use.
-  bool IsFolderNameEnabledForTest() const;
-
-  // views::View overrides:
-  virtual void Layout() override;
-  virtual bool OnKeyPressed(const ui::KeyEvent& event) override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
-
-  // views::TextfieldController overrides:
-  virtual void ContentsChanged(views::Textfield* sender,
-                               const base::string16& new_contents) override;
-
-  // views::ButtonListener overrides:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
-
-  // AppListItemObserver overrides:
-  virtual void ItemNameChanged() override;
-
-  AppListFolderItem* folder_item_;  // Not owned.
-
-  views::ImageButton* back_button_;  // Owned by views hierarchy.
-  FolderNameView* folder_name_view_;  // Owned by views hierarchy.
-
-  const base::string16 folder_name_placeholder_text_;
-
-  FolderHeaderViewDelegate* delegate_;
-
-  bool folder_name_visible_;
-
-  DISALLOW_COPY_AND_ASSIGN(FolderHeaderView);
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_