Revert of Add thread checking to RunLoop, deprecate MessageLoopRunner.

chrome/test/base/testing_profile.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/test/base/testing_profile.h"
 
 #include <utility>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 633 matching lines @@
   // Only get the history service if it actually exists since the caller of the
   // test should explicitly call CreateHistoryService to build it.
   history::HistoryService* history_service =
       HistoryServiceFactory::GetForProfileWithoutCreating(this);
   DCHECK(history_service);
   InMemoryURLIndex* index = InMemoryURLIndexFactory::GetForProfile(this);
   if (!index || index->restored())
     return;
   base::RunLoop run_loop;
   HistoryIndexRestoreObserver observer(
-      content::GetDeferredQuitTaskForRunLoop(&run_loop));
+      content::GetQuitTaskForRunLoop(&run_loop));
   index->set_restore_cache_observer(&observer);
   run_loop.Run();
   index->set_restore_cache_observer(NULL);
   DCHECK(index->restored());
 }
 
 void TestingProfile::SetGuestSession(bool guest) {
   guest_session_ = guest;
 }
 
@@ skipping 426 matching lines @@
   // Note: Owned by |original_profile|.
   return new TestingProfile(path_, delegate_,
 #if BUILDFLAG(ENABLE_EXTENSIONS)
                             extension_policy_,
 #endif
                             std::move(pref_service_), original_profile,
                             guest_session_, supervised_user_id_,
                             std::move(policy_service_), testing_factories_,
                             profile_name_);
 }