Change type of interface created by mojo:view_manager

mojo/services/view_manager/root_view_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_VIEW_MANAGER_ROOT_VIEW_MANAGER_DELEGATE_H_
+#define MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_DELEGATE_H_
+
+#include "mojo/services/view_manager/view_manager_export.h"
+
+namespace mojo {
+namespace view_manager {
+namespace service {
+
+class MOJO_VIEW_MANAGER_EXPORT RootViewManagerDelegate {
+ public:
+  // Invoked when the WindowTreeHost is ready.
+  virtual void OnRootViewManagerWindowTreeHostCreated() = 0;
+
+ protected:
+  virtual ~RootViewManagerDelegate() {}
+};
+
+}  // namespace service
+}  // namespace view_manager
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_