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

chrome/browser/safe_browsing/download_feedback_service_unittest.cc

 // Copyright 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/safe_browsing/download_feedback_service.h"
 
 #include <vector>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 22 matching lines @@
                        const base::FilePath& file_path,
                        const std::string& ping_request,
                        const std::string& ping_response,
                        base::Closure deletion_callback)
       : ping_request_(ping_request),
         ping_response_(ping_response),
         deletion_callback_(deletion_callback),
         start_called_(false) {
   }
 
-  virtual ~FakeDownloadFeedback() {
-    deletion_callback_.Run();
-  }
+  ~FakeDownloadFeedback() override { deletion_callback_.Run(); }
 
-  virtual void Start(const base::Closure& finish_callback) override {
+  void Start(const base::Closure& finish_callback) override {
     start_called_ = true;
     finish_callback_ = finish_callback;
   }
 
-  virtual const std::string& GetPingRequestForTesting() const override {
+  const std::string& GetPingRequestForTesting() const override {
     return ping_request_;
   }
 
-  virtual const std::string& GetPingResponseForTesting() const override {
+  const std::string& GetPingResponseForTesting() const override {
     return ping_response_;
   }
 
   base::Closure finish_callback() const {
     return finish_callback_;
   }
 
   bool start_called() const {
     return start_called_;
   }
 
  private:
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
   scoped_refptr<base::TaskRunner> file_task_runner_;
   base::FilePath file_path_;
   std::string ping_request_;
   std::string ping_response_;
 
   base::Closure finish_callback_;
   base::Closure deletion_callback_;
   bool start_called_;
 };
 
 class FakeDownloadFeedbackFactory : public DownloadFeedbackFactory {
  public:
-  virtual ~FakeDownloadFeedbackFactory() {}
+  ~FakeDownloadFeedbackFactory() override {}
 
-  virtual DownloadFeedback* CreateDownloadFeedback(
+  DownloadFeedback* CreateDownloadFeedback(
       net::URLRequestContextGetter* request_context_getter,
       base::TaskRunner* file_task_runner,
       const base::FilePath& file_path,
       const std::string& ping_request,
       const std::string& ping_response) override {
     FakeDownloadFeedback* feedback = new FakeDownloadFeedback(
         request_context_getter,
         file_task_runner,
         file_path,
         ping_request,
@@ skipping 271 matching lines @@
   // was deleted.
   EXPECT_FALSE(base::PathExists(file_path[2]));
 
   // These files should still exist since the FakeDownloadFeedback does not
   // delete them.
   EXPECT_TRUE(base::PathExists(file_path[0]));
   EXPECT_TRUE(base::PathExists(file_path[1]));
 }
 
 }  // namespace safe_browsing