Skip profiles in GetLastOpenedProfiles that fail to initialize

chrome/browser/profiles/profile.h

 // 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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_H_
 
 #include <string>
@@ skipping 111 matching lines @@
 
   Profile();
   ~Profile() override;
 
   // Profile prefs are registered as soon as the prefs are loaded for the first
   // time.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Create a new profile given a path. If |create_mode| is
   // CREATE_MODE_ASYNCHRONOUS then the profile is initialized asynchronously.
+  // Can return null if |create_mode| is CREATE_MODE_SYNCHRONOUS and the
+  // creation of the profile directory fails.
   static Profile* CreateProfile(const base::FilePath& path,
                                 Delegate* delegate,
                                 CreateMode create_mode);
 
   // Returns the profile corresponding to the given browser context.
   static Profile* FromBrowserContext(content::BrowserContext* browser_context);
 
   // Returns the profile corresponding to the given WebUI.
   static Profile* FromWebUI(content::WebUI* web_ui);
 
@@ skipping 231 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(Profile);
 };
 
 // The comparator for profile pointers as key in a map.
 struct ProfileCompare {
   bool operator()(Profile* a, Profile* b) const;
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_H_