Splits window manager like methods into ViewManagerServiceDelegate

mojo/services/public/cpp/view_manager/window_manager_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 MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_WINDOW_MANAGER_DELEGATE_H_
-#define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_WINDOW_MANAGER_DELEGATE_H_
-
-#include "mojo/public/interfaces/application/service_provider.mojom.h"
-#include "mojo/services/public/interfaces/input_events/input_events.mojom.h"
-
-namespace mojo {
-
-class View;
-
-// A WindowManagerDelegate is provided by the application embedded at the
-// service root view.
-class WindowManagerDelegate {
- public:
-  // Create an appropriate view to embed |url|.
-  virtual void Embed(const String& url,
-                     InterfaceRequest<ServiceProvider> service_provider) {}
-
-  // Dispatch the supplied input event to the appropriate view (taking into
-  // account focus, activation, modality, etc.).
-  virtual void DispatchEvent(EventPtr event) = 0;
-
- protected:
-  virtual ~WindowManagerDelegate() {}
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_WINDOW_MANAGER_DELEGATE_H_