[Sync] Convert DTCs to be not RefCounted and NonThreadSafe.

components/browser_sync/browser/profile_sync_service_autofill_unittest.cc

 // Copyright 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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 594 matching lines @@
 
   void SetIdleChangeProcessorExpectations() {
     EXPECT_CALL(autofill_table_, RemoveFormElement(_, _)).Times(0);
     EXPECT_CALL(autofill_table_, GetAutofillTimestamps(_, _, _, _)).Times(0);
 
     // Only permit UpdateAutofillEntries() to be called with an empty list.
     std::vector<AutofillEntry> empty;
     EXPECT_CALL(autofill_table_, UpdateAutofillEntries(Not(empty))).Times(0);
   }
 
-  sync_driver::DataTypeController* CreateDataTypeController(
+  std::unique_ptr<sync_driver::DataTypeController> CreateDataTypeController(
       syncer::ModelType type) {
     DCHECK(type == AUTOFILL || type == AUTOFILL_PROFILE);
     if (type == AUTOFILL) {
-      return new AutofillDataTypeController(base::ThreadTaskRunnerHandle::Get(),
-                                            data_type_thread()->task_runner(),
-                                            base::Bind(&base::DoNothing),
-                                            sync_client_, web_data_service_);
+      return base::MakeUnique<AutofillDataTypeController>(
+          data_type_thread()->task_runner(), base::Bind(&base::DoNothing),
+          sync_client_, web_data_service_);
     } else {
-      return new AutofillProfileDataTypeController(
-          base::ThreadTaskRunnerHandle::Get(),
+      return base::MakeUnique<AutofillProfileDataTypeController>(
           data_type_thread()->task_runner(), base::Bind(&base::DoNothing),
           sync_client_, web_data_service_);
     }
   }
 
   AutofillTableMock& autofill_table() { return autofill_table_; }
 
   MockPersonalDataManager& personal_data_manager() {
     return *personal_data_manager_;
   }
@@ skipping 844 matching lines @@
   std::vector<AutofillEntry> sync_entries;
   std::vector<AutofillProfile> sync_profiles;
   ASSERT_TRUE(GetAutofillEntriesFromSyncDB(&sync_entries, &sync_profiles));
   EXPECT_EQ(3U, sync_entries.size());
   EXPECT_EQ(0U, sync_profiles.size());
   for (size_t i = 0; i < sync_entries.size(); i++) {
     DVLOG(1) << "Entry " << i << ": " << sync_entries[i].key().name()
              << ", " << sync_entries[i].key().value();
   }
 }