Converts MaximizeModeWindowManager to use ash/common types

ash/mus/root_window_controller.h

 // Copyright 2016 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_MUS_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_MUS_ROOT_WINDOW_CONTROLLER_H_
 
 #include <memory>
 
 #include "ash/mus/disconnected_app_handler.h"
 #include "ash/mus/shelf_layout_manager_delegate.h"
 #include "ash/public/interfaces/container.mojom.h"
 #include "components/mus/public/cpp/window_observer.h"
 #include "components/mus/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/display/display.h"
 
 namespace shell {
 class Connector;
 }
 
 namespace ash {
 
 class AlwaysOnTopController;
 class RootWindowControllerCommon;
+class WorkspaceLayoutManager;
 
 namespace mus {
 
 class LayoutManager;
 class ShelfLayoutManager;
 class StatusLayoutManager;
 class WindowManager;
 class WmRootWindowControllerMus;
 class WmShelfMus;
 class WmTestBase;
@@ skipping 23 matching lines @@
   ::mus::Window* GetWindowForContainer(mojom::Container container);
 
   WmWindowMus* GetWindowByShellWindowId(int id);
 
   WindowManager* window_manager() { return window_manager_; }
 
   const display::Display& display() const { return display_; }
 
   ShelfLayoutManager* GetShelfLayoutManager();
   StatusLayoutManager* GetStatusLayoutManager();
+  WorkspaceLayoutManager* workspace_layout_manager() {
+    return workspace_layout_manager_;
+  }
 
   AlwaysOnTopController* always_on_top_controller() {
     return always_on_top_controller_.get();
   }
 
   WmShelfMus* wm_shelf() { return wm_shelf_.get(); }
 
  private:
   friend class WmTestBase;
   friend class WmTestHelper;
@@ skipping 11 matching lines @@
   ::mus::Window* root_;
   int window_count_ = 0;
 
   display::Display display_;
 
   std::unique_ptr<RootWindowControllerCommon> root_window_controller_common_;
 
   std::unique_ptr<WmRootWindowControllerMus> wm_root_window_controller_;
   std::unique_ptr<WmShelfMus> wm_shelf_;
 
+  // Owned by the corresponding container.
+  WorkspaceLayoutManager* workspace_layout_manager_ = nullptr;
   std::map<::mus::Window*, std::unique_ptr<LayoutManager>> layout_managers_;
 
   std::unique_ptr<AlwaysOnTopController> always_on_top_controller_;
 
   std::unique_ptr<DisconnectedAppHandler> disconnected_app_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_ROOT_WINDOW_CONTROLLER_H_