Standardize usage of virtual/override/final specifiers.

components/feedback/feedback_uploader_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/feedback/feedback_uploader.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 39 matching lines @@
     FeedbackUploaderFactory::GetInstance()->SetTestingFactory(
         context_.get(), &CreateFeedbackUploaderService);
 
     uploader_ = FeedbackUploaderFactory::GetForBrowserContext(context_.get());
     uploader_->setup_for_test(
         base::Bind(&FeedbackUploaderTest::MockDispatchReport,
                    base::Unretained(this)),
         kRetryDelayForTest);
   }
 
-  virtual ~FeedbackUploaderTest() {
+  ~FeedbackUploaderTest() override {
     FeedbackUploaderFactory::GetInstance()->SetTestingFactory(
         context_.get(), NULL);
   }
 
   void QueueReport(const std::string& data) {
     uploader_->QueueReport(data);
   }
 
   void ReportFailure(const std::string& data) {
     uploader_->RetryReport(data);
@@ skipping 84 matching lines @@
 
   EXPECT_EQ(dispatched_reports_.size(), 5u);
   EXPECT_EQ(dispatched_reports_[kReportOne], 1u);
   EXPECT_EQ(dispatched_reports_[kReportTwo], 2u);
   EXPECT_EQ(dispatched_reports_[kReportThree], 2u);
   EXPECT_EQ(dispatched_reports_[kReportFour], 1u);
   EXPECT_EQ(dispatched_reports_[kReportFive], 1u);
 }
 
 }  // namespace feedback