Leave apps running on Windows and Linux when quitting Chrome from the wrench menu.

chrome/browser/app_controller_mac.mm

 // 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "apps/app_shim/app_shim_mac.h"
 #include "apps/app_shim/extension_app_shim_handler_mac.h"
 #include "apps/shell_window_registry.h"
 #include "base/auto_reset.h"
@@ skipping 341 matching lines @@
   // though.) http://crbug.com/40861
 
   // Check if the user really wants to quit by employing the confirm-to-quit
   // mechanism.
   if (!browser_shutdown::IsTryingToQuit() &&
       [self applicationShouldTerminate:app] != NSTerminateNow)
     return NO;
 
   size_t num_browsers = chrome::GetTotalBrowserCount();
 
-  // Initiate a shutdown (via chrome::CloseAllBrowsers()) if we aren't
+  // Initiate a shutdown (via chrome::CloseAllBrowsersAndQuit()) if we aren't
   // already shutting down.
   if (!browser_shutdown::IsTryingToQuit()) {
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
         content::NotificationService::AllSources(),
         content::NotificationService::NoDetails());
-    chrome::CloseAllBrowsers();
+    chrome::CloseAllBrowsersAndQuit();
   }
 
   return num_browsers == 0 ? YES : NO;
 }
 
 - (void)stopTryingToTerminateApplication:(NSApplication*)app {
   if (browser_shutdown::IsTryingToQuit()) {
     // Reset the "trying to quit" state, so that closing all browser windows
     // will no longer lead to termination.
     browser_shutdown::SetTryingToQuit(false);
@@ skipping 1042 matching lines @@
 
 //---------------------------------------------------------------------------
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac