Standardize usage of virtual/override/final specifiers.

chrome/browser/autocomplete/search_provider_unittest.cc

 // Copyright 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 "components/omnibox/search_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 139 matching lines @@
   SearchProviderTest()
       : default_t_url_(NULL),
         term1_(ASCIIToUTF16("term1")),
         keyword_t_url_(NULL),
         keyword_term_(ASCIIToUTF16("keyword")),
         run_loop_(NULL) {
     ResetFieldTrialList();
   }
 
   // See description above class for what this registers.
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   void RunTest(TestData* cases, int num_cases, bool prefer_keyword);
 
  protected:
   // Needed for AutocompleteFieldTrial::ActivateStaticTrials();
   scoped_ptr<base::FieldTrialList> field_trial_list_;
 
   // Default values used for testing.
   static const std::string kNotApplicable;
   static const ExpectedMatch kEmptyExpectedMatch;
@@ skipping 3276 matching lines @@
   EXPECT_EQ(base::ASCIIToUTF16("42"), matches[0].answer_type);
   EXPECT_TRUE(matches[1].answer_contents.empty());
   EXPECT_TRUE(matches[1].answer_type.empty());
   EXPECT_TRUE(matches[2].answer_contents.empty());
   EXPECT_TRUE(matches[2].answer_type.empty());
   EXPECT_TRUE(matches[3].answer_contents.empty());
   EXPECT_TRUE(matches[3].answer_type.empty());
   EXPECT_TRUE(matches[4].answer_contents.empty());
   EXPECT_TRUE(matches[4].answer_type.empty());
 }