Port HistoryService::ScheduleDBTask to CancelableTaskTracker

chrome/browser/history/history_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.
 
 // History unit tests come in two flavors:
 //
 // 1. The more complicated style is that the unit test creates a full history
 //    service. This spawns a background thread for the history backend, and
 //    all communication is asynchronous. This is useful for testing more
 //    complicated things or end-to-end behavior.
@@ skipping 1509 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(HistoryDBTaskImpl);
 };
 
 // static
 const int HistoryDBTaskImpl::kWantInvokeCount = 2;
 
 }  // namespace
 
 TEST_F(HistoryTest, HistoryDBTask) {
   ASSERT_TRUE(history_service_.get());
-  CancelableRequestConsumerT<int, 0> request_consumer;
+  base::CancelableTaskTracker task_tracker;
   scoped_refptr<HistoryDBTaskImpl> task(new HistoryDBTaskImpl());
-  history_service_->ScheduleDBTask(task.get(), &request_consumer);
+  history_service_->ScheduleDBTask(task.get(), &task_tracker);
   // Run the message loop. When HistoryDBTaskImpl::DoneRunOnMainThread runs,
   // it will stop the message loop. If the test hangs here, it means
   // DoneRunOnMainThread isn't being invoked correctly.
   base::MessageLoop::current()->Run();
   CleanupHistoryService();
   // WARNING: history has now been deleted.
   history_service_.reset();
   ASSERT_EQ(HistoryDBTaskImpl::kWantInvokeCount, task->invoke_count);
   ASSERT_TRUE(task->done_invoked);
 }
 
 TEST_F(HistoryTest, HistoryDBTaskCanceled) {
   ASSERT_TRUE(history_service_.get());
-  CancelableRequestConsumerT<int, 0> request_consumer;
+  base::CancelableTaskTracker task_tracker;
   scoped_refptr<HistoryDBTaskImpl> task(new HistoryDBTaskImpl());
-  history_service_->ScheduleDBTask(task.get(), &request_consumer);
-  request_consumer.CancelAllRequests();
+  history_service_->ScheduleDBTask(task.get(), &task_tracker);
+  task_tracker.TryCancelAll();
   CleanupHistoryService();
   // WARNING: history has now been deleted.
   history_service_.reset();
   ASSERT_FALSE(task->done_invoked);
 }
 
 // Create a local delete directive and process it while sync is
 // online, and then when offline. The delete directive should be sent to sync,
 // no error should be returned for the first time, and an error should be
 // returned for the second time.
@@ skipping 296 matching lines @@
   std::vector<PageUsageData*> results;
   db_->QuerySegmentUsage(segment_time, 10, &results);
   ASSERT_EQ(1u, results.size());
   EXPECT_EQ(url, results[0]->GetURL());
   EXPECT_EQ(segment_id, results[0]->GetID());
   EXPECT_EQ(title, results[0]->GetTitle());
   STLDeleteElements(&results);
 }
 
 }  // namespace history