Revert of Wires up view manager to an actual display

mojo/services/view_manager/root_view_manager.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_H_
-#define MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/public/cpp/gles2/gles2.h"
-#include "mojo/services/view_manager/view_manager_export.h"
-
-namespace aura {
-namespace client {
-class WindowTreeClient;
-}
-class WindowTreeHost;
-}
-
-namespace gfx {
-class Screen;
-}
-
-namespace mojo {
-
-class Shell;
-
-namespace services {
-namespace view_manager {
-
-class RootNodeManager;
-
-// RootViewManager binds the root node to an actual display.
-class MOJO_VIEW_MANAGER_EXPORT RootViewManager {
- public:
-  RootViewManager(Shell* shell, RootNodeManager* root_node);
-  virtual ~RootViewManager();
-
-  // See description above field for details.
-  bool in_setup() const { return in_setup_; }
-
- private:
-  void OnCompositorCreated();
-
-  Shell* shell_;
-  RootNodeManager* root_node_manager_;
-
-  GLES2Initializer gles_initializer_;
-
-  // Returns true if adding the root node's window to |window_tree_host_|.
-  bool in_setup_;
-
-  scoped_ptr<gfx::Screen> screen_;
-  scoped_ptr<aura::WindowTreeHost> window_tree_host_;
-  scoped_ptr<aura::client::WindowTreeClient> window_tree_client_;
-
-  DISALLOW_COPY_AND_ASSIGN(RootViewManager);
-};
-
-}  // namespace view_manager
-}  // namespace services
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_