Standardize usage of virtual/override/final in google_apis/

google_apis/gaia/oauth2_api_call_flow.h

 // 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.
 
 #ifndef GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_
 #define GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 14 matching lines @@
 // Base class for all classes that implement a flow to call OAuth2 enabled APIs,
 // given an access token to the service.  This class abstracts the basic steps
 // and exposes template methods for sub-classes to implement for API specific
 // details.
 class OAuth2ApiCallFlow
     : public net::URLFetcherDelegate,
       public OAuth2AccessTokenConsumer {
  public:
   OAuth2ApiCallFlow();
 
-  virtual ~OAuth2ApiCallFlow();
+  ~OAuth2ApiCallFlow() override;
 
   // Start the flow.
   virtual void Start(net::URLRequestContextGetter* context,
                      const std::string& access_token);
 
   // net::URLFetcherDelegate implementation.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
  protected:
   // Template methods for sub-classes.
 
   // Methods to help create the API request.
   virtual GURL CreateApiCallUrl() = 0;
   virtual std::string CreateApiCallBody() = 0;
   virtual std::string CreateApiCallBodyContentType();
 
   // Sub-classes can expose an appropriate observer interface by implementing
@@ skipping 23 matching lines @@
   void BeginApiCall();
   void EndApiCall(const net::URLFetcher* source);
 
   State state_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2ApiCallFlow);
 };
 
 #endif  // GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_