Standardize usage of virtual/override/final specifiers.

chrome/browser/safe_browsing/client_side_detection_service_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.
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 44 matching lines @@
 };
 
 ACTION(QuitCurrentMessageLoop) {
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace
 
 class ClientSideDetectionServiceTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     file_thread_.reset(new content::TestBrowserThread(BrowserThread::FILE,
                                                       &msg_loop_));
 
     factory_.reset(new net::FakeURLFetcherFactory(NULL));
 
     browser_thread_.reset(new content::TestBrowserThread(BrowserThread::UI,
                                                          &msg_loop_));
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     msg_loop_.RunUntilIdle();
     csd_service_.reset();
     file_thread_.reset();
     browser_thread_.reset();
   }
 
   bool SendClientReportPhishingRequest(const GURL& phishing_url,
                                        float score) {
     ClientPhishingRequest* request = new ClientPhishingRequest();
     request->set_url(phishing_url.spec());
@@ skipping 609 matching lines @@
   EXPECT_CALL(*service, ScheduleFetchModel(_))
       .WillOnce(Invoke(service, &MockClientSideDetectionService::Schedule));
   EXPECT_CALL(*service, EndFetchModel(
       ClientSideDetectionService::MODEL_NOT_CHANGED))
       .WillOnce(Invoke(service, &MockClientSideDetectionService::Disable));
   csd_service_->SetEnabledAndRefreshState(true);
   EXPECT_FALSE(SendClientReportPhishingRequest(GURL("http://a.com/"), 0.4f));
   Mock::VerifyAndClearExpectations(service);
 }
 }  // namespace safe_browsing