In WinAura, also kill the Metro viewer process in AttemptExit().

chrome/browser/lifetime/application_lifetime.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 "chrome/browser/lifetime/application_lifetime.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/metrics/thread_watcher.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_shutdown.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_service.h"
 
-#if defined(OS_ANDROID)
-#include "chrome/browser/lifetime/application_lifetime_android.h"
-#endif
-
-#if defined(OS_MACOSX)
-#include "chrome/browser/chrome_browser_application_mac.h"
-#endif
-
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/dbus/update_engine_client.h"
 #endif
 
 namespace chrome {
@@ skipping 33 matching lines @@
   for (chrome::BrowserIterator it; !it.done(); it.Next())
     it->profile()->SetExitType(Profile::EXIT_NORMAL);
 }
 
 void AttemptExitInternal() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
       content::NotificationService::AllSources(),
       content::NotificationService::NoDetails());
 
-#if defined(OS_ANDROID)
-  // Tell the Java code to finish() the Activity.
-  TerminateAndroid();
-#elif defined(OS_MACOSX)
-  // On the Mac, the application continues to run once all windows are closed.
-  // Terminate will result in a CloseAllBrowsers() call, and once (and if)
-  // that is done, will cause the application to exit cleanly.
-  chrome_browser_application_mac::Terminate();
-#else
-  // On most platforms, closing all windows causes the application to exit.
-  CloseAllBrowsers();
-#endif
+  g_browser_process->platform_part()->AttemptExit();
 }
 
 void CloseAllBrowsers() {
   bool session_ending =
       browser_shutdown::GetShutdownType() == browser_shutdown::END_SESSION;
   // Tell everyone that we are shutting down.
   browser_shutdown::SetTryingToQuit(true);
 
 #if defined(ENABLE_SESSION_SERVICE)
   // Before we close the browsers shutdown all session services. That way an
@@ skipping 281 matching lines @@
   //    environment is still active.
   if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_NATIVE)
     return !ash::Shell::HasInstance();
   else if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH)
     return BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE)->empty();
 #endif
   return true;
 }
 
 }  // namespace chrome