Even more reordering the methods in headers and implementation in net/.

net/base/mapped_host_resolver.h

 // Copyright (c) 2010 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_BASE_MAPPED_HOST_RESOLVER_H_
 #define NET_BASE_MAPPED_HOST_RESOLVER_H_
 #pragma once
 
 #include <string>
 
 #include "base/scoped_ptr.h"
 #include "net/base/host_mapping_rules.h"
 #include "net/base/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 MappedHostResolver : public HostResolver {
  public:
   // Creates a MappedHostResolver that forwards all of its requests through
   // |impl|.  It takes ownership of |impl|.
   explicit MappedHostResolver(HostResolver* impl);
   virtual ~MappedHostResolver();
 
-  // HostResolver methods:
-  virtual int Resolve(const RequestInfo& info,
-                      AddressList* addresses,
-                      CompletionCallback* callback,
-                      RequestHandle* out_req,
-                      const BoundNetLog& net_log);
-  virtual void CancelRequest(RequestHandle req);
-  virtual void AddObserver(Observer* observer);
-  virtual void RemoveObserver(Observer* observer);
-  virtual HostResolverImpl* GetAsHostResolverImpl();
-
   // 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.
   //
   // 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,
+                      AddressList* addresses,
+                      CompletionCallback* callback,
+                      RequestHandle* out_req,
+                      const BoundNetLog& net_log);
+  virtual void CancelRequest(RequestHandle req);
+  virtual void AddObserver(Observer* observer);
+  virtual void RemoveObserver(Observer* observer);
+  virtual HostResolverImpl* GetAsHostResolverImpl();
+
  private:
   scoped_ptr<HostResolver> impl_;
 
   HostMappingRules rules_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_MAPPED_HOST_RESOLVER_H_