Move ShellWindow into apps component.

apps/app_shim/extension_app_shim_handler_mac.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 "apps/app_shim/extension_app_shim_handler_mac.h"
 
 #include "apps/app_lifetime_monitor_factory.h"
 #include "apps/app_shim/app_shim_messages.h"
+#include "apps/shell_window.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
-#include "chrome/browser/ui/extensions/shell_window.h"
 #include "chrome/browser/ui/web_applications/web_app_ui.h"
 #include "chrome/browser/web_applications/web_app_mac.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "ui/base/cocoa/focus_window_set.h"
 
 namespace apps {
 
@@ skipping 210 matching lines @@
   if (it != hosts_.end())
     it->second->OnAppClosed();
 }
 
 void ExtensionAppShimHandler::OnAppStop(Profile* profile,
                                         const std::string& app_id) {}
 
 void ExtensionAppShimHandler::OnChromeTerminating() {}
 
 }  // namespace apps