Also delay regular profile destruction...

chrome/browser/ui/browser.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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 443 matching lines @@
 
   profile_pref_registrar_.RemoveAll();
   local_pref_registrar_.RemoveAll();
 
   encoding_auto_detect_.Destroy();
 
   if (profile_->IsOffTheRecord() &&
       !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) {
     // An incognito profile is no longer needed, this indirectly frees
     // its cache and cookies once it gets destroyed at the appropriate time.
-    ProfileDestroyer::DestroyOffTheRecordProfile(profile_);
+    ProfileDestroyer::DestroyProfileWhenAppropriate(profile_);
   }
 
   // There may be pending file dialogs, we need to tell them that we've gone
   // away so they don't try and call back to us.
   if (select_file_dialog_.get())
     select_file_dialog_->ListenerDestroyed();
 
   TabRestoreServiceDestroyed(tab_restore_service_);
 }
 
@@ skipping 5075 matching lines @@
     params.path_behavior = browser::NavigateParams::IGNORE_AND_NAVIGATE;
     ShowSingletonTabOverwritingNTP(params);
   } else {
     service->ShowLoginDialog();
   }
 }
 
 void Browser::ToggleSpeechInput() {
   GetSelectedWebContents()->GetRenderViewHost()->ToggleSpeechInput();
 }