Add fallback behavior if the last used profile cannot initialize

chrome/browser/ui/profile_error_dialog.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_PROFILE_ERROR_DIALOG_H_
 #define CHROME_BROWSER_UI_PROFILE_ERROR_DIALOG_H_
 
 // Be very careful while modifying this enum. Do NOT remove any elements from
 // this enum. If you need to add one, add them to the end, right before
 // PROFILE_ERROR_END. PROFILE_ERROR_END should ALWAYS be the last element in
 // this enum. This is important because this enum is used to back a histogram,
 // and these are implicit assumptions made in terms of how enumerated
 // histograms are defined.
 enum ProfileErrorType {
   PROFILE_ERROR_HISTORY,
   PROFILE_ERROR_PREFERENCES,
   PROFILE_ERROR_DB_AUTOFILL_WEB_DATA,
   PROFILE_ERROR_DB_TOKEN_WEB_DATA,
   PROFILE_ERROR_DB_WEB_DATA,
   PROFILE_ERROR_DB_KEYWORD_WEB_DATA,
+  PROFILE_ERROR_CREATE_FAILURE_SPECIFIED,
+  PROFILE_ERROR_CREATE_FAILURE_ALL,
   PROFILE_ERROR_END
 };
 
 // Shows an error dialog corresponding to the inability to open some portion of
 // the profile. |message_id| is a string id corresponding to the message to
 // show. The ProfileErrorType needs to correspond to one of the profile error
 // types in the enum above. If your use case doesn't fit any of the ones listed
 // above, please add your type to the enum and modify the enum
 // definition in tools/metrics/histograms/histograms.xml accordingly.
 void ShowProfileErrorDialog(ProfileErrorType type, int message_id);
 
 #endif  // CHROME_BROWSER_UI_PROFILE_ERROR_DIALOG_H_