Standardize usage of virtual/override/final in net/

net/test/embedded_test_server/embedded_test_server.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 "net/test/embedded_test_server/embedded_test_server.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 14 matching lines @@
 namespace test_server {
 
 namespace {
 
 class CustomHttpResponse : public HttpResponse {
  public:
   CustomHttpResponse(const std::string& headers, const std::string& contents)
       : headers_(headers), contents_(contents) {
   }
 
-  virtual std::string ToResponseString() const override {
+  std::string ToResponseString() const override {
     return headers_ + "\r\n" + contents_;
   }
 
  private:
   std::string headers_;
   std::string contents_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomHttpResponse);
 };
 
@@ skipping 292 matching lines @@
           FROM_HERE, closure, run_loop.QuitClosure())) {
     return false;
   }
   run_loop.Run();
 
   return true;
 }
 
 }  // namespace test_server
 }  // namespace net