Fixed crash on double profile delete operation.

chrome/browser/profiles/profile_manager.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_manager.h"
 
 #include <stdint.h>
 
 #include <set>
 #include <string>
@@ skipping 713 matching lines @@
 ProfileShortcutManager* ProfileManager::profile_shortcut_manager() {
   return profile_shortcut_manager_.get();
 }
 
 #if !defined(OS_ANDROID)
 void ProfileManager::ScheduleProfileForDeletion(
     const base::FilePath& profile_dir,
     const CreateCallback& callback) {
   DCHECK(profiles::IsMultipleProfilesEnabled());
 
+  if (IsProfileMarkedForDeletion(profile_dir)) {
+    LOG(WARNING) << "Profile already marked for deletion: "
+                 << profile_dir.value();
+    return;

[Dan Beam, 2016/05/13 03:39:31]

i vote for this solution but without error and using callback

+  }
+
   // Cancel all in-progress downloads before deleting the profile to prevent a
   // "Do you want to exit Google Chrome and cancel the downloads?" prompt
   // (crbug.com/336725).
   Profile* profile = GetProfileByPath(profile_dir);
   if (profile) {
     DownloadService* service =
         DownloadServiceFactory::GetForBrowserContext(profile);
     service->CancelDownloads();
   }
 
@@ skipping 880 matching lines @@
 
   FinishDeletingProfile(profile_to_delete_path, new_active_profile_path);
   if (!original_callback.is_null())
     original_callback.Run(loaded_profile, status);
 }
 #endif  // !defined(OS_ANDROID)
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }