Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/sessions/sessions_sync_manager_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 "chrome/browser/sync/sessions/sessions_sync_manager.h"
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/sessions/session_types.h"
@@ skipping 213 matching lines @@
       : test_processor_(NULL) {
     local_device_.reset(new LocalDeviceInfoProviderMock(
         "cache_guid",
         "Wayne Gretzky's Hacking Box",
         "Chromium 10k",
         "Chrome 10k",
         sync_pb::SyncEnums_DeviceType_TYPE_LINUX,
         "device_id"));
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     BrowserWithTestWindowTest::SetUp();
     browser_sync::NotificationServiceSessionsRouter* router(
         new browser_sync::NotificationServiceSessionsRouter(
             profile(), syncer::SyncableService::StartSyncFlare()));
     manager_.reset(new SessionsSyncManager(profile(), local_device_.get(),
       scoped_ptr<LocalSessionEventRouter>(router)));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     test_processor_ = NULL;
     helper()->Reset();
     manager_.reset();
     BrowserWithTestWindowTest::TearDown();
   }
 
   const DeviceInfo* GetLocalDeviceInfo() {
     return local_device_->GetLocalDeviceInfo();
   }
 
@@ skipping 1709 matching lines @@
         base::Time(),
         syncer::AttachmentIdList(),
         syncer::AttachmentServiceProxyForTest::Create()));
   }
 
   syncer::SyncChangeList output;
   InitWithSyncDataTakeOutput(initial_data, &output);
 }
 
 }  // namespace browser_sync