Standardize usage of virtual/override/final specifiers.

components/visitedlink/test/visitedlink_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 <cstdio>
 #include <string>
 #include <vector>
 
 #include "base/files/file_util.h"
 #include "base/memory/shared_memory.h"
@@ skipping 187 matching lines @@
     ASSERT_FALSE(found);
     found = slave.IsVisited(GURL("http://unfound.site/"));
     ASSERT_FALSE(found);
 
     master_->DebugValidate();
 
     g_slaves.clear();
   }
 
   // testing::Test
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     history_dir_ = temp_dir_.path().AppendASCII("VisitedLinkTest");
     ASSERT_TRUE(base::CreateDirectory(history_dir_));
 
     visited_file_ = history_dir_.Append(FILE_PATH_LITERAL("VisitedLinks"));
   }
 
-  virtual void TearDown() {
-    ClearDB();
-  }
+  void TearDown() override { ClearDB(); }
 
   base::ScopedTempDir temp_dir_;
 
   // Filenames for the services;
   base::FilePath history_dir_;
   base::FilePath visited_file_;
 
   scoped_ptr<VisitedLinkMaster> master_;
   TestVisitedLinkDelegate delegate_;
   content::TestBrowserThreadBundle thread_bundle_;
@@ skipping 352 matching lines @@
       content::SiteInstance* site_instance) const override {
     return new VisitRelayingRenderProcessHost(browser_context);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VisitedLinkRenderProcessHostFactory);
 };
 
 class VisitedLinkEventsTest : public content::RenderViewHostTestHarness {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     SetRenderProcessHostFactory(&vc_rph_factory_);
     content::RenderViewHostTestHarness::SetUp();
   }
 
   content::BrowserContext* CreateBrowserContext() override {
     VisitCountingContext* context = new VisitCountingContext();
     master_.reset(new VisitedLinkMaster(context, &delegate_, true));
     master_->Init();
     return context;
   }
@@ skipping 157 matching lines @@
   content::NotificationService::current()->Notify(
       content::NOTIFICATION_RENDERER_PROCESS_CREATED,
       content::Source<content::RenderProcessHost>(&different_process_host),
       content::NotificationService::NoDetails());
   WaitForCoalescense();
 
   EXPECT_EQ(0, different_context.new_table_count());
 }
 
 }  // namespace visitedlink