Gtk3 ui: Add libgtk3ui as a separate build component

chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h

Index: chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h
diff --git a/chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h b/chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h
deleted file mode 100644
index c31e9ddef6d4e131531fb684fccc8674de4b875a..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h
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@@ -1,89 +0,0 @@
-// 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.
-//
-// This file implements common select dialog functionality between GTK and KDE.
-
-#ifndef CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_
-#define CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_
-
-#include <stddef.h>
-
-#include <set>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/nix/xdg_util.h"
-#include "ui/aura/window.h"
-#include "ui/shell_dialogs/select_file_dialog.h"
-#include "ui/shell_dialogs/select_file_policy.h"
-
-namespace libgtk2ui {
-
-// Shared implementation SelectFileDialog used by SelectFileDialogImplGTK
-class SelectFileDialogImpl : public ui::SelectFileDialog {
- public:
-  // Main factory method which returns correct type.
-  static ui::SelectFileDialog* Create(Listener* listener,
-                                      ui::SelectFilePolicy* policy);
-
-  // Factory method for creating a GTK-styled SelectFileDialogImpl
-  static SelectFileDialogImpl* NewSelectFileDialogImplGTK(
-      Listener* listener,
-      ui::SelectFilePolicy* policy);
-  // Factory method for creating a KDE-styled SelectFileDialogImpl
-  static SelectFileDialogImpl* NewSelectFileDialogImplKDE(
-      Listener* listener,
-      ui::SelectFilePolicy* policy,
-      base::nix::DesktopEnvironment desktop);
-
-  // Returns true if the SelectFileDialog class returned by
-  // NewSelectFileDialogImplKDE will actually work.
-  static bool CheckKDEDialogWorksOnUIThread();
-
-  // BaseShellDialog implementation.
-  void ListenerDestroyed() override;
-
- protected:
-  explicit SelectFileDialogImpl(Listener* listener,
-                                ui::SelectFilePolicy* policy);
-  ~SelectFileDialogImpl() override;
-
-  // SelectFileDialog implementation.
-  // |params| is user data we pass back via the Listener interface.
-  void SelectFileImpl(Type type,
-                      const base::string16& title,
-                      const base::FilePath& default_path,
-                      const FileTypeInfo* file_types,
-                      int file_type_index,
-                      const base::FilePath::StringType& default_extension,
-                      gfx::NativeWindow owning_window,
-                      void* params) override = 0;
-
-  // Wrapper for base::DirectoryExists() that allow access on the UI
-  // thread. Use this only in the file dialog functions, where it's ok
-  // because the file dialog has to do many stats anyway. One more won't
-  // hurt too badly and it's likely already cached.
-  bool CallDirectoryExistsOnUIThread(const base::FilePath& path);
-
-  // The file filters.
-  FileTypeInfo file_types_;
-
-  // The index of the default selected file filter.
-  // Note: This starts from 1, not 0.
-  size_t file_type_index_;
-
-  // The type of dialog we are showing the user.
-  Type type_;
-
-  // These two variables track where the user last saved a file or opened a
-  // file so that we can display future dialogs with the same starting path.
-  static base::FilePath* last_saved_path_;
-  static base::FilePath* last_opened_path_;
-
-  DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
-};
-
-}  // namespace libgtk2ui
-
-#endif  // CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_