Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/glue/favicon_cache_unittest.cc

 // Copyright (c) 2013 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 "chrome/browser/sync/glue/favicon_cache.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
@@ skipping 241 matching lines @@
   if (!base::StringToInt(temp, &result))
     return -1;
   return result;
 }
 
 }  // namespace
 
 class SyncFaviconCacheTest : public testing::Test {
  public:
   SyncFaviconCacheTest();
-  virtual ~SyncFaviconCacheTest() {}
+  ~SyncFaviconCacheTest() override {}
 
   void SetUpInitialSync(const syncer::SyncDataList& initial_image_data,
                         const syncer::SyncDataList& initial_tracking_data);
 
   size_t GetFaviconCount() const;
   size_t GetTaskCount() const;
 
   testing::AssertionResult ExpectFaviconEquals(
         const std::string& page_url,
         const std::string& bytes) const;
@@ skipping 1658 matching lines @@
   EXPECT_EQ(changes[4].change_type(), syncer::SyncChange::ACTION_ADD);
   EXPECT_EQ(changes[4].sync_data().GetDataType(), syncer::FAVICON_TRACKING);
   EXPECT_EQ(kMaxSyncFavicons, GetFaviconId(changes[4]));
   // Expire tracking for favicon[0].
   EXPECT_EQ(changes[5].change_type(), syncer::SyncChange::ACTION_DELETE);
   EXPECT_EQ(changes[5].sync_data().GetDataType(), syncer::FAVICON_TRACKING);
   EXPECT_EQ(0, GetFaviconId(changes[5]));
 }
 
 }  // namespace browser_sync