Fix the bug of multiple overlays.

ash/first_run/first_run_helper_impl.cc

 // Copyright 2013 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/first_run/first_run_helper_impl.h"
 
 #include "ash/shelf/shelf.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/system_tray.h"
@@ skipping 22 matching lines @@
 }
 
 }  // anonymous namespace
 
 FirstRunHelperImpl::FirstRunHelperImpl()
     : widget_(CreateFirstRunWindow()) {
   Shell::GetInstance()->overlay_filter()->Activate(this);
 }
 
 FirstRunHelperImpl::~FirstRunHelperImpl() {
-  Shell::GetInstance()->overlay_filter()->Deactivate();
+  Shell::GetInstance()->overlay_filter()->Deactivate(this);
   if (IsTrayBubbleOpened())
     CloseTrayBubble();
   widget_->Close();
 }
 
 views::Widget* FirstRunHelperImpl::GetOverlayWidget() {
   return widget_;
 }
 
 void FirstRunHelperImpl::OpenAppList() {
@@ skipping 58 matching lines @@
   return bubble->GetBoundsInScreen();
 }
 
 gfx::Rect FirstRunHelperImpl::GetHelpButtonBounds() {
   SystemTray* tray = Shell::GetInstance()->GetPrimarySystemTray();
   views::View* help_button = tray->GetHelpButtonView();
   return help_button->GetBoundsInScreen();
 }
 
 }  // namespace ash