Standardize usage of virtual/override/final in chrome/browser/printing/

chrome/browser/printing/cloud_print/cloud_print_proxy_service.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 CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 
 namespace cloud_print {
 struct CloudPrintProxyInfo;
 }  // namespace cloud_print
 
 // Layer between the browser user interface and the cloud print proxy code
 // running in the service process.
 class CloudPrintProxyService : public KeyedService {
  public:
   explicit CloudPrintProxyService(Profile* profile);
-  virtual ~CloudPrintProxyService();
+  ~CloudPrintProxyService() override;
 
   typedef base::Callback<void(const std::vector<std::string>&)>
       PrintersCallback;
 
   // Initializes the object. This should be called every time an object of this
   // class is constructed.
   void Initialize();
 
   // Returns list of printer names available for registration.
   void GetPrinters(const PrintersCallback& callback);
@@ skipping 57 matching lines @@
   // If set, continue trying to disable the connector, and quit the process
   // once successful.
   bool enforcing_connector_policy_;
 
   base::WeakPtrFactory<CloudPrintProxyService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintProxyService);
 };
 
 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_