Standardize usage of virtual/override/final specifiers.

components/suggestions/suggestions_service_unittest.cc

 // Copyright 2014 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/suggestions/suggestions_service.h"
 
 #include <map>
 #include <sstream>
 #include <string>
 
@@ skipping 145 matching lines @@
   int suggestions_empty_data_count_;
 
  protected:
   SuggestionsServiceTest()
       : suggestions_data_check_count_(0),
         suggestions_empty_data_count_(0),
         factory_(NULL, base::Bind(&CreateURLFetcher)),
         mock_suggestions_store_(NULL),
         mock_thumbnail_manager_(NULL) {}
 
-  virtual ~SuggestionsServiceTest() {}
+  ~SuggestionsServiceTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     request_context_ = new net::TestURLRequestContextGetter(
         io_message_loop_.message_loop_proxy());
   }
 
   // Enables the "ChromeSuggestions.Group1" field trial.
   void EnableFieldTrial(const std::string& url,
                         const std::string& common_params,
                         const std::string& blacklist_path,
                         const std::string& blacklist_url_param,
                         bool control_group) {
@@ skipping 410 matching lines @@
   scoped_ptr<SuggestionsService> suggestions_service(
       CreateSuggestionsServiceWithMocks());
   SuggestionsProfile suggestions =
       CreateSuggestionsProfileWithExpiryTimestamps();
   suggestions_service->SetDefaultExpiryTimestamp(&suggestions,
                                                  kTestDefaultExpiry);
   EXPECT_EQ(kTestSetExpiry, suggestions.suggestions(0).expiry_ts());
   EXPECT_EQ(kTestDefaultExpiry, suggestions.suggestions(1).expiry_ts());
 }
 }  // namespace suggestions