Make the TranslateManager listen for the destruction of the right profile.

chrome/browser/translate/translate_manager.cc

 // Copyright (c) 2011 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/translate/translate_manager.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_reader.h"
 #include "base/memory/singleton.h"
@@ skipping 633 matching lines @@
     infobar = TranslateInfoBarDelegate::CreateDelegate(
         TranslateInfoBarDelegate::AFTER_TRANSLATE, tab,
         details->source_language, details->target_language);
   }
   ShowInfoBar(tab, infobar);
 }
 
 bool TranslateManager::IsAcceptLanguage(TabContents* tab,
                                         const std::string& language) {
   Profile* profile = Profile::FromBrowserContext(tab->browser_context());
-  PrefService* pref_service = profile->GetOriginalProfile()->GetPrefs();
+  profile = profile->GetOriginalProfile();
+  PrefService* pref_service = profile->GetPrefs();
   PrefServiceLanguagesMap::const_iterator iter =
       accept_languages_.find(pref_service);
   if (iter == accept_languages_.end()) {
     InitAcceptLanguages(pref_service);
     // Listen for this profile going away, in which case we would need to clear
     // the accepted languages for the profile.
     notification_registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
                                 Source<Profile>(profile));
     // Also start listening for changes in the accept languages.
     pref_change_registrar_.Add(prefs::kAcceptLanguages, this);
@@ skipping 125 matching lines @@
     return NULL;
 
   for (size_t i = 0; i < wrapper->infobar_count(); ++i) {
     TranslateInfoBarDelegate* delegate =
         wrapper->GetInfoBarDelegateAt(i)->AsTranslateInfoBarDelegate();
     if (delegate)
       return delegate;
   }
   return NULL;
 }