Standardize usage of virtual/override/final in net/

net/dns/mapped_host_resolver.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 NET_DNS_MAPPED_HOST_RESOLVER_H_
 #define NET_DNS_MAPPED_HOST_RESOLVER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/host_mapping_rules.h"
 #include "net/base/net_export.h"
 #include "net/dns/host_resolver.h"
 
 namespace net {
 
 // This class wraps an existing HostResolver instance, but modifies the
 // request before passing it off to |impl|. This is different from
 // MockHostResolver which does the remapping at the HostResolverProc
 // layer, so it is able to preserve the effectiveness of the cache.
 class NET_EXPORT MappedHostResolver : public HostResolver {
  public:
   // Creates a MappedHostResolver that forwards all of its requests through
   // |impl|.
   explicit MappedHostResolver(scoped_ptr<HostResolver> impl);
-  virtual ~MappedHostResolver();
+  ~MappedHostResolver() override;
 
   // Adds a rule to this mapper. The format of the rule can be one of:
   //
   //   "MAP" <hostname_pattern> <replacement_host> [":" <replacement_port>]
   //   "EXCLUDE" <hostname_pattern>
   //
   // The <replacement_host> can be either a hostname, or an IP address literal,
   // or "~NOTFOUND". If it is "~NOTFOUND" then all matched hostnames will fail
   // to be resolved with ERR_NAME_NOT_RESOLVED.
   //
   // Returns true if the rule was successfully parsed and added.
   bool AddRuleFromString(const std::string& rule_string) {
     return rules_.AddRuleFromString(rule_string);
   }
 
   // Takes a comma separated list of rules, and assigns them to this resolver.
   void SetRulesFromString(const std::string& rules_string) {
     rules_.SetRulesFromString(rules_string);
   }
 
   // HostResolver methods:
-  virtual int Resolve(const RequestInfo& info,
-                      RequestPriority priority,
-                      AddressList* addresses,
-                      const CompletionCallback& callback,
-                      RequestHandle* out_req,
-                      const BoundNetLog& net_log) override;
-  virtual int ResolveFromCache(const RequestInfo& info,
-                               AddressList* addresses,
-                               const BoundNetLog& net_log) override;
-  virtual void CancelRequest(RequestHandle req) override;
-  virtual void SetDnsClientEnabled(bool enabled) override;
-  virtual HostCache* GetHostCache() override;
-  virtual base::Value* GetDnsConfigAsValue() const override;
+  int Resolve(const RequestInfo& info,
+              RequestPriority priority,
+              AddressList* addresses,
+              const CompletionCallback& callback,
+              RequestHandle* out_req,
+              const BoundNetLog& net_log) override;
+  int ResolveFromCache(const RequestInfo& info,
+                       AddressList* addresses,
+                       const BoundNetLog& net_log) override;
+  void CancelRequest(RequestHandle req) override;
+  void SetDnsClientEnabled(bool enabled) override;
+  HostCache* GetHostCache() override;
+  base::Value* GetDnsConfigAsValue() const override;
 
  private:
   // Modify the request |info| according to |rules_|. Returns either OK or
   // the network error code that the hostname's resolution mapped to.
   int ApplyRules(RequestInfo* info) const;
 
   scoped_ptr<HostResolver> impl_;
 
   HostMappingRules rules_;
 };
 
 }  // namespace net
 
 #endif  // NET_DNS_MAPPED_HOST_RESOLVER_H_