Converts MaximizeModeWindowManager to use ash/common types

ash/aura/wm_root_window_controller_aura.cc

 // 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.
 
 #include "ash/aura/wm_root_window_controller_aura.h"
 
 #include "ash/aura/wm_shelf_aura.h"
 #include "ash/aura/wm_shell_aura.h"
 #include "ash/aura/wm_window_aura.h"
+#include "ash/common/wm/workspace/workspace_layout_manager_backdrop_delegate.h"
 #include "ash/common/wm_root_window_controller_observer.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/wm/workspace_controller.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_property.h"
 #include "ui/events/event_targeter.h"
@@ skipping 46 matching lines @@
 }
 
 WmShell* WmRootWindowControllerAura::GetShell() {
   return WmShell::Get();
 }
 
 wm::WorkspaceWindowState WmRootWindowControllerAura::GetWorkspaceWindowState() {
   return root_window_controller_->workspace_controller()->GetWindowState();
 }
 
+void WmRootWindowControllerAura::SetMaximizeBackdropDelegate(
+    std::unique_ptr<WorkspaceLayoutManagerBackdropDelegate> delegate) {
+  root_window_controller_->workspace_controller()->SetMaximizeBackdropDelegate(
+      std::move(delegate));
+}
+
 AlwaysOnTopController* WmRootWindowControllerAura::GetAlwaysOnTopController() {
   return root_window_controller_->always_on_top_controller();
 }
 
 WmShelf* WmRootWindowControllerAura::GetShelf() {
   return root_window_controller_->wm_shelf_aura();
 }
 
 WmWindow* WmRootWindowControllerAura::GetWindow() {
   return WmWindowAura::Get(root_window_controller_->GetRootWindow());
@@ skipping 51 matching lines @@
     WmWindow* root_window) {
   if (WmWindowAura::GetAuraWindow(root_window) !=
       root_window_controller_->GetRootWindow())
     return;
 
   FOR_EACH_OBSERVER(WmRootWindowControllerObserver, observers_,
                     OnShelfAlignmentChanged());
 }
 
 }  // namespace ash