Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/autocomplete/bookmark_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_
 
 #include <string>
 
 #include "components/omnibox/autocomplete_input.h"
@@ skipping 16 matching lines @@
 //
 // TODO(mrossetti): Propose a way to coordinate with the HQP the taking of typed
 // and visit counts and last visit dates, etc. into consideration while scoring.
 class BookmarkProvider : public AutocompleteProvider {
  public:
   explicit BookmarkProvider(Profile* profile);
 
   // When |minimal_changes| is true short circuit any additional searching and
   // leave the previous matches for this provider unchanged, otherwise perform
   // a complete search for |input| across all bookmark titles.
-  virtual void Start(const AutocompleteInput& input,
-                     bool minimal_changes) override;
+  void Start(const AutocompleteInput& input, bool minimal_changes) override;
 
   // Sets the BookmarkModel for unit tests.
   void set_bookmark_model_for_testing(BookmarkModel* bookmark_model) {
     bookmark_model_ = bookmark_model;
   }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(BookmarkProviderTest, InlineAutocompletion);
 
-  virtual ~BookmarkProvider();
+  ~BookmarkProvider() override;
 
   // Performs the actual matching of |input| over the bookmarks and fills in
   // |matches_|.
   void DoAutocomplete(const AutocompleteInput& input);
 
   // Compose an AutocompleteMatch based on |match| that has 1) the URL of
   // |match|'s bookmark, and 2) the bookmark's title, not the URL's page
   // title, as the description.  |input| is used to compute the match's
   // inline_autocompletion.  |fixed_up_input_text| is used in that way as well;
   // it's passed separately so this function doesn't have to compute it.
@@ skipping 14 matching lines @@
   Profile* profile_;
   BookmarkModel* bookmark_model_;
 
   // Languages used during the URL formatting.
   std::string languages_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_