Standardize usage of virtual/override/final specifiers.

components/sync_driver/non_ui_data_type_controller_unittest.cc

 // Copyright 2014 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_driver/non_ui_data_type_controller.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 162 matching lines @@
   NonUIDataTypeControllerMock* mock_;
   scoped_refptr<SharedChangeProcessor> change_processor_;
   scoped_refptr<base::MessageLoopProxy> backend_loop_;
 };
 
 class SyncNonUIDataTypeControllerTest : public testing::Test {
  public:
   SyncNonUIDataTypeControllerTest()
       : backend_thread_("dbthread") {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     backend_thread_.Start();
     change_processor_ = new SharedChangeProcessorMock();
     // All of these are refcounted, so don't need to be released.
     dtc_mock_ = new StrictMock<NonUIDataTypeControllerMock>();
     non_ui_dtc_ =
         new NonUIDataTypeControllerFake(NULL,
                                         dtc_mock_.get(),
                                         change_processor_.get(),
                                         backend_thread_.message_loop_proxy());
   }
 
-  virtual void TearDown() override {
-    backend_thread_.Stop();
-  }
+  void TearDown() override { backend_thread_.Stop(); }
 
   void WaitForDTC() {
     WaitableEvent done(true, false);
     backend_thread_.message_loop_proxy()->PostTask(
        FROM_HERE,
        base::Bind(&SyncNonUIDataTypeControllerTest::SignalDone,
                   &done));
     done.TimedWait(TestTimeouts::action_timeout());
     if (!done.IsSignaled()) {
       ADD_FAILURE() << "Timed out waiting for DB thread to finish.";
@@ skipping 278 matching lines @@
       &NonUIDataTypeControllerFake::
           OnSingleDataTypeUnrecoverableError,
       non_ui_dtc_.get(),
       error));
   WaitForDTC();
 }
 
 }  // namespace
 
 }  // namespace sync_driver