replace OVERRIDE and FINAL with override and final in sync/

sync/internal_api/attachments/fake_attachment_downloader_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 "sync/internal_api/public/attachments/fake_attachment_downloader.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "sync/api/attachments/attachment.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 
 class FakeAttachmentDownloaderTest : public testing::Test {
  protected:
   FakeAttachmentDownloaderTest() {}
 
-  virtual void SetUp() OVERRIDE {}
+  virtual void SetUp() override {}
 
-  virtual void TearDown() OVERRIDE {}
+  virtual void TearDown() override {}
 
   AttachmentDownloader* downloader() {
     return &attachment_downloader_;
   }
 
   AttachmentDownloader::DownloadCallback download_callback() {
     return base::Bind(&FakeAttachmentDownloaderTest::DownloadDone,
                       base::Unretained(this));
   }
 
@@ skipping 19 matching lines @@
 
 TEST_F(FakeAttachmentDownloaderTest, DownloadAttachment) {
   AttachmentId attachment_id = AttachmentId::Create();
   downloader()->DownloadAttachment(attachment_id, download_callback());
   RunMessageLoop();
   EXPECT_EQ(1U, download_results().size());
   EXPECT_EQ(AttachmentDownloader::DOWNLOAD_SUCCESS, download_results()[0]);
 }
 
 }  // namespace syncer