Standardize usage of virtual/override/final in components/

components/proximity_auth/cryptauth/cryptauth_api_call_flow_unittest.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/proximity_auth/cryptauth/cryptauth_api_call_flow.h"
 
 #include "base/test/test_simple_task_runner.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 68 matching lines @@
     url_fetcher_ = NULL;
     url_fetcher->set_status(net::URLRequestStatus(request_status, 0));
     if (request_status == net::URLRequestStatus::SUCCESS) {
       url_fetcher->set_response_code(response_code);
       url_fetcher->SetResponseString(response_string);
     }
     url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
   }
 
   // net::TestURLFetcherDelegateForTests overrides.
-  virtual void OnRequestStart(int fetcher_id) override {
+  void OnRequestStart(int fetcher_id) override {
     url_fetcher_ = url_fetcher_factory_->GetFetcherByID(fetcher_id);
   }
 
-  virtual void OnChunkUpload(int fetcher_id) override {}
+  void OnChunkUpload(int fetcher_id) override {}
 
-  virtual void OnRequestEnd(int fetcher_id) override {}
+  void OnRequestEnd(int fetcher_id) override {}
 
   net::TestURLFetcher* url_fetcher_;
   scoped_ptr<std::string> result_;
   scoped_ptr<std::string> error_message_;
 
  private:
   scoped_refptr<net::TestURLRequestContextGetter> url_request_context_getter_;
   scoped_ptr<net::TestURLFetcherFactory> url_fetcher_factory_;
   CryptAuthApiCallFlow flow_;
 };
@@ skipping 24 matching lines @@
 
 TEST_F(ProximityAuthCryptAuthApiCallFlowTest, ResponseWithNoBody) {
   StartApiCallFlow();
   CompleteCurrentRequest(
       net::URLRequestStatus::SUCCESS, net::HTTP_OK, std::string());
   EXPECT_FALSE(result_);
   EXPECT_EQ("No response body", *error_message_);
 }
 
 }  // namespace proximity_auth