Task Scheduler API migration: change BrowserThreadModelWorker to SequencedModelWorker

components/sync/engine/model_safe_worker_unittest.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 "components/sync/engine/model_safe_worker.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 20 matching lines @@
 class MockModelSafeWorker : public ModelSafeWorker {
  public:
   MockModelSafeWorker() = default;
 
   void ScheduleWork(base::OnceClosure work) override {
     task_runner_->PostTask(FROM_HERE, std::move(work));
   }
 
   ModelSafeGroup GetModelSafeGroup() override { return GROUP_PASSIVE; }
 
-  bool IsOnModelThread() override {
+  bool IsOnModelSequence() override {
     return task_runner_->BelongsToCurrentThread();
   }
 
   scoped_refptr<base::TestSimpleTaskRunner> task_runner() const {
     return task_runner_;
   }
 
  private:
   friend class base::RefCountedThreadSafe<MockModelSafeWorker>;
 
@@ skipping 153 matching lines @@
   while (!worker_->task_runner()->HasPendingTask())
     base::PlatformThread::YieldCurrentThread();
   worker_->task_runner()->RunUntilIdle();
 
   EXPECT_TRUE(did_work);
   sync_thread_.Stop();
   EXPECT_TRUE(sync_thread_unblocked_.IsSet());
 }
 
 }  // namespace syncer