Standardize usage of virtual/override/final specifiers in google_apis/.

google_apis/gcm/engine/registration_request_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 <map>
 #include <string>
 #include <vector>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_tokenizer.h"
@@ skipping 41 matching lines @@
 
   // Don't use initial delay unless the last request was an error.
   false,
 };
 
 }  // namespace
 
 class RegistrationRequestTest : public testing::Test {
  public:
   RegistrationRequestTest();
-  virtual ~RegistrationRequestTest();
+  ~RegistrationRequestTest() override;
 
   void RegistrationCallback(RegistrationRequest::Status status,
                             const std::string& registration_id);
 
   void CreateRequest(const std::string& sender_ids);
   void SetResponseStatusAndString(net::HttpStatusCode status_code,
                                   const std::string& response_body);
   void CompleteFetch();
   void set_max_retry_count(int max_retry_count) {
     max_retry_count_ = max_retry_count;
@@ skipping 345 matching lines @@
 
   SetResponseStatusAndString(net::HTTP_GATEWAY_TIMEOUT, "token=2501");
   CompleteFetch();
 
   EXPECT_TRUE(callback_called_);
   EXPECT_EQ(RegistrationRequest::REACHED_MAX_RETRIES, status_);
   EXPECT_EQ(std::string(), registration_id_);
 }
 
 }  // namespace gcm