Introduce TaskRunner::RunsTasksInCurrentSequence()

chrome/browser/chromeos/login/users/fake_chrome_user_manager.cc

 // Copyright 2015 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/login/users/fake_chrome_user_manager.h"
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 24 matching lines @@
   ~FakeTaskRunner() override {}
 
  private:
   // base::TaskRunner overrides.
   bool PostDelayedTask(const tracked_objects::Location& from_here,
                        base::OnceClosure task,
                        base::TimeDelta delay) override {
     std::move(task).Run();
     return true;
   }
-  bool RunsTasksOnCurrentThread() const override { return true; }
+  bool RunsTasksInCurrentSequence() const override { return true; }
 
   DISALLOW_COPY_AND_ASSIGN(FakeTaskRunner);
 };
 
 }  // namespace
 
 namespace chromeos {
 
 class FakeSupervisedUserManager;
 
@@ skipping 593 matching lines @@
   if (active_account_id_.is_valid()) {
     for (auto* user : users_) {
       if (user->GetAccountId() == active_account_id_)
         return user;
     }
   }
   return users_[0];
 }
 
 }  // namespace chromeos