Standardize usage of virtual/override/final specifiers.

chrome/browser/net/predictor_unittest.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 <time.h>
 
 #include <algorithm>
 #include <sstream>
 #include <string>
 
@@ skipping 63 matching lines @@
 
 class PredictorTest : public testing::Test {
  public:
   PredictorTest()
       : ui_thread_(BrowserThread::UI, &loop_),
         io_thread_(BrowserThread::IO, &loop_),
         host_resolver_(new net::MockCachingHostResolver()) {
   }
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
 #if defined(OS_WIN)
     net::EnsureWinsockInit();
 #endif
     Predictor::set_max_parallel_resolves(
         Predictor::kMaxSpeculativeParallelResolves);
     Predictor::set_max_queueing_delay(
         Predictor::kMaxSpeculativeResolveQueueDelayMs);
     // Since we are using a caching HostResolver, the following latencies will
     // only be incurred by the first request, after which the result will be
     // cached internally by |host_resolver_|.
@@ skipping 839 matching lines @@
 
   // Proxy may not be in use (the PAC script has not yet been evaluated), so the
   // name has been registered for pre-resolve.
   EXPECT_FALSE(testing_master.work_queue_.IsEmpty());
 
   delete testing_master.proxy_service_;
   testing_master.Shutdown();
 }
 
 }  // namespace chrome_browser_net