Don't allow creating a profile with an empty name in chrome://settings

chrome/browser/ui/webui/options/create_profile_handler.cc

 // Copyright 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/ui/webui/options/create_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
@@ skipping 64 matching lines @@
   DCHECK(profile_path_being_created_.empty());
   profile_creation_start_time_ = base::TimeTicks::Now();
 
   base::string16 name;
   base::string16 icon;
   std::string supervised_user_id;
   bool create_shortcut = false;
   bool supervised_user = false;
   if (args->GetString(0, &name) && args->GetString(1, &icon)) {
     base::TrimWhitespace(name, base::TRIM_ALL, &name);
+    CHECK(!name.empty());
     if (args->GetBoolean(2, &create_shortcut)) {
       bool success = args->GetBoolean(3, &supervised_user);
       DCHECK(success);
       success = args->GetString(4, &supervised_user_id);
       DCHECK(success);
     }
   }
 
   if (supervised_user) {
     if (!IsValidExistingSupervisedUserId(supervised_user_id))
@@ skipping 332 matching lines @@
       g_browser_process->profile_manager()->GetProfileInfoCache();
   for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
     if (existing_supervised_user_id ==
             cache.GetSupervisedUserIdOfProfileAtIndex(i))
       return false;
   }
   return true;
 }
 
 }  // namespace options