Restore last used user session after crash

chrome/browser/chromeos/profiles/profile_helper.cc

 // Copyright (c) 2013 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/chromeos/profiles/profile_helper.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
@@ skipping 230 matching lines @@
     return it == user_to_profile_for_testing_.end() ? NULL : it->second;
   }
 
   Profile* profile = NULL;
   if (user->is_profile_created()) {
     profile = ProfileHelper::GetProfileByUserIdHash(user->username_hash());
   } else {
     LOG(WARNING) << "ProfileHelper::GetProfileByUserUnsafe is called when "
                     "|user|'s profile is not created. It probably means that "
                     "something is wrong with a calling code. Please report in "
-                    "http://crbug.com/361528 if you see this message.";
+                    "http://crbug.com/361528 if you see this message. user_id: "
+                 << user->email();
     profile = ProfileManager::GetActiveUserProfile();
   }
 
   // GetActiveUserProfile() or GetProfileByUserIdHash() returns a new instance
   // of ProfileImpl(), but actually its OffTheRecordProfile() should be used.
   if (profile && user_manager::UserManager::Get()->IsLoggedInAsGuest())
     profile = profile->GetOffTheRecordProfile();
   return profile;
 }
 
@@ skipping 113 matching lines @@
   user_to_profile_for_testing_[user] = profile;
 }
 
 // static
 std::string ProfileHelper::GetUserIdHashByUserIdForTesting(
     const std::string& user_id) {
   return user_id + kUserIdHashSuffix;
 }
 
 }  // namespace chromeos