Fix crash in SyncSetupWizard::IsVisible()

chrome/browser/ui/browser_navigator.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 #define CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 #pragma once
 
 #include <string>
 
@@ skipping 173 matching lines @@
   NavigateParams();
 };
 
 // Navigates according to the configuration specified in |params|.
 void Navigate(NavigateParams* params);
 
 // If the given navigational URL is a Singleton, return the tab index for it.
 // Otherwise, returns -1.
 int GetIndexOfSingletonTab(NavigateParams* params);
 
-// Returns true if the url is not allowed to open in incognito window.
-// Currently, chrome://settings, the bookmark manager, and chrome://extensions
-// are part this list.
+// Returns true if the url is allowed to open in incognito window.
 bool IsURLAllowedInIncognito(const GURL& url);
 
 }  // namespace browser
 
 #endif  // CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_