Task Scheduler API migration: change BrowserThreadModelWorker to SequencedModelWorker

components/sync/engine/browser_thread_model_worker_unittest.cc

Index: components/sync/engine/browser_thread_model_worker_unittest.cc
diff --git a/components/sync/engine/browser_thread_model_worker_unittest.cc b/components/sync/engine/browser_thread_model_worker_unittest.cc
deleted file mode 100644
index 98900e63521dc71421e8a6f279763c8f144af104..0000000000000000000000000000000000000000
--- a/components/sync/engine/browser_thread_model_worker_unittest.cc
+++ /dev/null
@@ -1,96 +0,0 @@
-// 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/browser_thread_model_worker.h"
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/location.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/test/test_timeouts.h"
-#include "base/threading/thread.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/timer/timer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using base::Thread;
-using base::TimeDelta;
-
-namespace syncer {
-
-namespace {
-
-class SyncBrowserThreadModelWorkerTest : public testing::Test {
- public:
-  SyncBrowserThreadModelWorkerTest()
-      : db_thread_("DB_Thread"), did_do_work_(false), weak_factory_(this) {}
-
-  bool did_do_work() { return did_do_work_; }
-  BrowserThreadModelWorker* worker() { return worker_.get(); }
-  base::OneShotTimer* timer() { return &timer_; }
-  base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest>* factory() {
-    return &weak_factory_;
-  }
-
-  // Schedule DoWork to be executed on the DB thread and have the test fail if
-  // DoWork hasn't executed within action_timeout().
-  void ScheduleWork() {
-    // We wait until the callback is done. So it is safe to use unretained.
-    timer()->Start(FROM_HERE, TestTimeouts::action_timeout(), this,
-                   &SyncBrowserThreadModelWorkerTest::Timeout);
-    worker()->DoWorkAndWaitUntilDone(base::BindOnce(
-        &SyncBrowserThreadModelWorkerTest::DoWork, base::Unretained(this)));
-  }
-
-  // This is the work that will be scheduled to be done on the DB thread.
-  SyncerError DoWork() {
-    EXPECT_TRUE(db_thread_.task_runner()->BelongsToCurrentThread());
-    main_message_loop_.task_runner()->PostTask(
-        FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
-    did_do_work_ = true;
-    return SYNCER_OK;
-  }
-
-  // This will be called by the OneShotTimer and make the test fail unless
-  // DoWork is called first.
-  void Timeout() {
-    ADD_FAILURE() << "Timed out waiting for work to be done on the DB thread.";
-    main_message_loop_.task_runner()->PostTask(
-        FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
-  }
-
- protected:
-  void SetUp() override {
-    db_thread_.Start();
-    worker_ = new BrowserThreadModelWorker(db_thread_.task_runner(), GROUP_DB);
-  }
-
-  virtual void Teardown() {
-    worker_ = nullptr;
-    db_thread_.Stop();
-  }
-
- private:
-  base::MessageLoop main_message_loop_;
-  Thread db_thread_;
-  bool did_do_work_;
-  scoped_refptr<BrowserThreadModelWorker> worker_;
-  base::OneShotTimer timer_;
-
-  base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest> weak_factory_;
-};
-
-TEST_F(SyncBrowserThreadModelWorkerTest, DoesWorkOnDatabaseThread) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&SyncBrowserThreadModelWorkerTest::ScheduleWork,
-                            factory()->GetWeakPtr()));
-  base::RunLoop().Run();
-  EXPECT_TRUE(did_do_work());
-}
-
-}  // namespace
-
-}  // namespace syncer