Fix crash when locking a profile.

chrome/browser/profiles/avatar_menu.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/profiles/avatar_menu.h"
 
 #include "ash/ash_switches.h"
 #include "base/bind.h"
 #include "base/i18n/case_conversion.h"
 #include "base/metrics/field_trial.h"
@@ skipping 213 matching lines @@
 
 void AvatarMenu::Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED, type);
   RebuildMenu();
   if (observer_)
     observer_->OnAvatarMenuChanged(this);
 }
 
-content::WebContents* AvatarMenu::BeginSignOut() {
-  return menu_actions_->BeginSignOut();
+void AvatarMenu::BeginSignOut() {
+  menu_actions_->BeginSignOut();
 }
-
-void AvatarMenu::SetLogoutURL(const std::string& logout_url) {
-  menu_actions_->SetLogoutURL(logout_url);
-}