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

chrome/browser/history/in_memory_url_index_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 <algorithm>
 #include <fstream>
 
 #include "base/auto_reset.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 47 matching lines @@
 
 // Observer class so the unit tests can wait while the cache is being saved.
 class CacheFileSaverObserver : public InMemoryURLIndex::SaveCacheObserver {
  public:
   explicit CacheFileSaverObserver(const base::Closure& task);
 
   bool succeeded() { return succeeded_; }
 
  private:
   // SaveCacheObserver implementation.
-  virtual void OnCacheSaveFinished(bool succeeded) override;
+  void OnCacheSaveFinished(bool succeeded) override;
 
   base::Closure task_;
   bool succeeded_;
 
   DISALLOW_COPY_AND_ASSIGN(CacheFileSaverObserver);
 };
 
 CacheFileSaverObserver::CacheFileSaverObserver(const base::Closure& task)
     : task_(task),
       succeeded_(false) {
@@ skipping 347 matching lines @@
     EXPECT_TRUE(std::equal(expected_word_starts.title_word_starts_.begin(),
                            expected_word_starts.title_word_starts_.end(),
                            actual_word_starts.title_word_starts_.begin()));
   }
 }
 
 //------------------------------------------------------------------------------
 
 class LimitedInMemoryURLIndexTest : public InMemoryURLIndexTest {
  protected:
-  virtual base::FilePath::StringType TestDBName() const override;
+  base::FilePath::StringType TestDBName() const override;
 };
 
 base::FilePath::StringType LimitedInMemoryURLIndexTest::TestDBName() const {
   return FILE_PATH_LITERAL("url_history_provider_test_limited.db.txt");
 }
 
 TEST_F(LimitedInMemoryURLIndexTest, Initialization) {
   // Verify that the database contains the expected number of items, which
   // is the pre-filtered count, i.e. all of the items.
   sql::Statement statement(GetDB().GetUniqueStatement("SELECT * FROM urls;"));
@@ skipping 782 matching lines @@
   full_file_path.GetComponents(&actual_parts);
   ASSERT_EQ(expected_parts.size(), actual_parts.size());
   size_t count = expected_parts.size();
   for (size_t i = 0; i < count; ++i)
     EXPECT_EQ(expected_parts[i], actual_parts[i]);
   // Must clear the history_dir_ to satisfy the dtor's DCHECK.
   set_history_dir(base::FilePath());
 }
 
 }  // namespace history