Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc

 // Copyright 2013 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 "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/search/instant_service.h"
 #include "chrome/browser/search/instant_service_factory.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/task_manager/task_manager.h"
@@ skipping 32 matching lines @@
 class InstantExtendedManualTest : public InProcessBrowserTest,
                                   public InstantTestBase {
  public:
   InstantExtendedManualTest() {
     host_resolver_proc_ = new net::RuleBasedHostResolverProc(NULL);
     host_resolver_proc_->AllowDirectLookup("*");
     scoped_host_resolver_proc_.reset(
         new net::ScopedDefaultHostResolverProc(host_resolver_proc_.get()));
   }
 
-  virtual ~InstantExtendedManualTest() {
+  ~InstantExtendedManualTest() override {
     scoped_host_resolver_proc_.reset();
     host_resolver_proc_ = NULL;
   }
 
   void SetUpOnMainThread() override {
     const testing::TestInfo* const test_info =
         testing::UnitTest::GetInstance()->current_test_info();
     ASSERT_TRUE(StartsWithASCII(test_info->name(), "MANUAL_", true) ||
                 StartsWithASCII(test_info->name(), "DISABLED_", true));
     // Make IsOffline() return false so we don't try to use the local NTP.
@@ skipping 74 matching lines @@
   EXPECT_EQ("test", GetOmniboxText());
   EXPECT_EQ(OMNIBOX_FOCUS_VISIBLE, omnibox()->model()->focus_state());
 
   // Pressing enter should search for [test].
   const base::string16& search_title =
       base::ASCIIToUTF16("test - Google Search");
   content::TitleWatcher title_watcher(active_tab, search_title);
   PressEnterAndWaitForNavigation();
   EXPECT_EQ(search_title, title_watcher.WaitAndGetTitle());
 }