Standardize usage of virtual/override/final specifiers.

chrome/browser/search_engines/search_provider_install_data_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 <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 101 matching lines @@
 }  // namespace
 
 // SearchProviderInstallDataTest ----------------------------------------------
 
 // Provides basic test set-up/tear-down functionality needed by all tests
 // that use TemplateURLServiceTestUtil.
 class SearchProviderInstallDataTest : public testing::Test {
  public:
   SearchProviderInstallDataTest();
 
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   TemplateURL* AddNewTemplateURL(const std::string& url,
                                  const base::string16& keyword);
 
   // Sets the Google base URL to |base_url| and runs the IO thread for
   // |SearchProviderInstallData| to process the update.
   void SetGoogleBaseURLAndProcessOnIOThread(GURL base_url);
 
   TemplateURLServiceTestUtil* util() { return &util_; }
   SearchProviderInstallData* install_data() { return install_data_; }
@@ skipping 136 matching lines @@
   // Verify the search providers install state (with no default set).
   test_get_install_state.RunTests(google_host, std::string());
 
   // Change the Google base url.
   google_host = "foo.com";
   SetGoogleBaseURLAndProcessOnIOThread(GURL("http://" + google_host + "/"));
 
   // Verify that the change got picked up.
   test_get_install_state.RunTests(google_host, std::string());
 }