Update {virtual,override,final} to follow C++11 style.

components/cronet/android/cronet_url_request_context_adapter.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/cronet/android/cronet_url_request_context_adapter.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/single_thread_task_runner.h"
 #include "components/cronet/url_request_context_config.h"
@@ skipping 12 matching lines @@
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 
 namespace {
 
 class BasicNetworkDelegate : public net::NetworkDelegateImpl {
  public:
   BasicNetworkDelegate() {}
-  virtual ~BasicNetworkDelegate() {}
+  ~BasicNetworkDelegate() override {}
 
  private:
   // net::NetworkDelegate implementation.
   int OnBeforeURLRequest(net::URLRequest* request,
                          const net::CompletionCallback& callback,
                          GURL* new_url) override {
     return net::OK;
   }
 
   int OnBeforeSendHeaders(net::URLRequest* request,
@@ skipping 212 matching lines @@
 
 void CronetURLRequestContextAdapter::StopNetLogOnNetworkThread() {
   DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
   if (net_log_logger_) {
     net_log_logger_->StopObserving();
     net_log_logger_.reset();
   }
 }
 
 }  // namespace cronet