Standardize usage of virtual/override/final specifiers.

net/http/http_network_transaction_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 "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 235 matching lines @@
   }
 
   struct SimpleGetHelperResult {
     int rv;
     std::string status_line;
     std::string response_data;
     int64 totalReceivedBytes;
     LoadTimingInfo load_timing_info;
   };
 
-  virtual void SetUp() {
+  void SetUp() override {
     NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
     base::MessageLoop::current()->RunUntilIdle();
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
     base::MessageLoop::current()->RunUntilIdle();
     // Empty the current queue.
     base::MessageLoop::current()->RunUntilIdle();
     PlatformTest::TearDown();
     NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
     base::MessageLoop::current()->RunUntilIdle();
   }
 
   // This is the expected return from a current server advertising SPDY.
@@ skipping 12905 matching lines @@
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(ERR_CONNECTION_RESET, rv);
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   EXPECT_TRUE(response == NULL);
 }
 
 }  // namespace net