Move shelf/launcher/status_area_widget/panel_layout_manager to RootWindowController

ash/display/display_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/display/display_controller.h"
 
 #include <algorithm>
 
 #include "ash/ash_switches.h"
 #include "ash/display/multi_display_manager.h"
@@ skipping 451 matching lines @@
     primary_root->SetProperty(internal::kDisplayIdKey, primary_display_id);
 
     OnDisplayBoundsChanged(
         GetDisplayManager()->GetDisplayForId(primary_display_id));
   }
   internal::RootWindowController* controller =
       GetRootWindowController(root_to_delete);
   DCHECK(controller);
   controller->MoveWindowsTo(GetPrimaryRootWindow());
   // Delete most of root window related objects, but don't delete
-  // root window itself yet because the stak may be using it.
+  // root window itself yet because the stack may be using it.
   controller->Shutdown();
   MessageLoop::current()->DeleteSoon(FROM_HERE, controller);
 }
 
 aura::RootWindow* DisplayController::AddRootWindowForDisplay(
     const gfx::Display& display) {
   aura::RootWindow* root =
       GetDisplayManager()->CreateRootWindowForDisplay(display);
   root_windows_[display.id()] = root;
 
@@ skipping 53 matching lines @@
   secondary_display->set_bounds(
       gfx::Rect(new_secondary_origin, secondary_bounds.size()));
   secondary_display->UpdateWorkAreaFromInsets(insets);
 }
 
 void DisplayController::NotifyDisplayConfigurationChanging() {
   FOR_EACH_OBSERVER(Observer, observers_, OnDisplayConfigurationChanging());
 }
 
 }  // namespace ash