Move MaximizeModeWindowManager to the controller

ash/root_window_controller.cc

 // Copyright (c) 2012 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/root_window_controller.h"
 
 #include <queue>
 #include <vector>
 
 #include "ash/ash_constants.h"
@@ skipping 288 matching lines @@
   virtual void OnAccessibilityModeChanged(
       AccessibilityNotificationVisibility notify) OVERRIDE {
     UpdateTouchExplorationState();
   }
 
   scoped_ptr<ui::TouchExplorationController> touch_exploration_controller_;
   RootWindowController* root_window_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(CrosAccessibilityObserver);
 };
-#endif // OS_CHROMEOS
+#endif  // OS_CHROMEOS
 
 }  // namespace
 
 void RootWindowController::CreateForPrimaryDisplay(AshWindowTreeHost* host) {
   RootWindowController* controller = new RootWindowController(host);
   controller->Init(RootWindowController::PRIMARY,
                    Shell::GetInstance()->delegate()->IsFirstRunAfterBoot());
 }
 
 void RootWindowController::CreateForSecondaryDisplay(AshWindowTreeHost* host) {
@@ skipping 199 matching lines @@
     // before move it to |kDesktopController|.
     DCHECK_EQ(controller->widget(), widget);
     // Release the old controller and close its background widget.
     SetWallpaperController(controller);
   }
 }
 
 void RootWindowController::CloseChildWindows() {
   mouse_event_target_.reset();
 
+  // Remove observer as deactivating keyboard causes |docked_layout_manager_|
+  // to fire notifications.
+  if (docked_layout_manager_ && shelf_ && shelf_->shelf_layout_manager())
+    docked_layout_manager_->RemoveObserver(shelf_->shelf_layout_manager());
+
   // Deactivate keyboard container before closing child windows and shutting
   // down associated layout managers.
   DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
 
   // panel_layout_manager_ needs to be shut down before windows are destroyed.
   if (panel_layout_manager_) {
     panel_layout_manager_->Shutdown();
     panel_layout_manager_ = NULL;
   }
   // docked_layout_manager_ needs to be shut down before windows are destroyed.
   if (docked_layout_manager_) {
-    if (shelf_ && shelf_->shelf_layout_manager())
-      docked_layout_manager_->RemoveObserver(shelf_->shelf_layout_manager());
     docked_layout_manager_->Shutdown();
     docked_layout_manager_ = NULL;
   }
   aura::Window* root_window = GetRootWindow();
   aura::client::SetDragDropClient(root_window, NULL);
 
   // TODO(harrym): Remove when Status Area Widget is a child view.
   if (shelf_) {
     shelf_->ShutdownStatusAreaWidget();
 
@@ skipping 548 matching lines @@
   else
     DisableTouchHudProjection();
 }
 
 RootWindowController* GetRootWindowController(
     const aura::Window* root_window) {
   return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
 }
 
 }  // namespace ash