Delete the ViewManager and WindowManager services.

services/view_manager/server_view_delegate.h

-// Copyright 2014 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 SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
-#define SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
-
-#include "mojo/services/view_manager/interfaces/view_manager_constants.mojom.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace mojo {
-class ViewportMetrics;
-}
-
-namespace view_manager {
-
-class ServerView;
-
-// ServerViewDelegate is notified at key points in the lifetime of a
-// ServerView. Some of the functions are similar to that of
-// ServerViewObserver. For example, ServerViewDelegate::PrepareToDestroyView()
-// and ServerViewObserver::OnWillDestroyView(). The key difference between
-// the two are the ServerViewDelegate ones are always notified first, and
-// ServerViewDelegate gets non-const arguments.
-class ServerViewDelegate {
- public:
-  // Invoked when a view is about to be destroyed; before any of the children
-  // have been removed and before the view has been removed from its parent.
-  virtual void PrepareToDestroyView(ServerView* view) = 0;
-
-  virtual void PrepareToChangeViewHierarchy(ServerView* view,
-                                            ServerView* new_parent,
-                                            ServerView* old_parent) = 0;
-
-  virtual void PrepareToChangeViewVisibility(ServerView* view) = 0;
-
-  virtual void OnScheduleViewPaint(const ServerView* view) = 0;
-
- protected:
-  virtual ~ServerViewDelegate() {}
-};
-
-}  // namespace view_manager
-
-#endif  // SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_