mash: Move directly linked NewWindowDelegate to mojom::NewWindowClient.

ash/common/new_window_delegate.h

-// 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 ASH_COMMON_NEW_WINDOW_DELEGATE_H_
-#define ASH_COMMON_NEW_WINDOW_DELEGATE_H_
-
-namespace ash {
-
-// A delegate class to create or open windows that are not a part of
-// ash.
-class NewWindowDelegate {
- public:
-  virtual ~NewWindowDelegate() {}
-
-  // Invoked when the user uses Ctrl+T to open a new tab.
-  virtual void NewTab() = 0;
-
-  // Invoked when the user uses Ctrl-N or Ctrl-Shift-N to open a new window.
-  virtual void NewWindow(bool incognito) = 0;
-
-  // Invoked when an accelerator is used to open the file manager.
-  virtual void OpenFileManager() = 0;
-
-  // Invoked when the user opens Crosh.
-  virtual void OpenCrosh() = 0;
-
-  // Invoked when an accelerator is used to open help center.
-  virtual void OpenGetHelp() = 0;
-
-  // Invoked when the user uses Shift+Ctrl+T to restore the closed tab.
-  virtual void RestoreTab() = 0;
-
-  // Shows the keyboard shortcut overlay.
-  virtual void ShowKeyboardOverlay() = 0;
-
-  // Shows the task manager window.
-  virtual void ShowTaskManager() = 0;
-
-  // Opens the feedback page for "Report Issue".
-  virtual void OpenFeedbackPage() = 0;
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_NEW_WINDOW_DELEGATE_H_