Rename PrivetV2 to PrivetV3

chrome/browser/local_discovery/privetv3_session.h

 // 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.
 
-#ifndef CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV2_SESSION_H_
-#define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV2_SESSION_H_
+#ifndef CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_
+#define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 namespace local_discovery {
 
 class PrivetHTTPClient;
 
-class PrivetV2Session {
+class PrivetV3Session {
  public:
   typedef base::Callback<
       void(bool success, const base::DictionaryValue& response)>
       RequestCallback;
 
   class Delegate {
    public:
     typedef base::Callback<void(bool confirm)> ConfirmationCallback;
 
     virtual ~Delegate() {}
 
     virtual void OnSetupConfirmationNeeded(
         const std::string& confirmation_code,
         const ConfirmationCallback& callback) = 0;
 
     virtual void OnSessionEstablished() = 0;
 
     virtual void OnCannotEstablishSession() = 0;
   };
 
   class Request {
    public:
     virtual ~Request() {}
 
     virtual void Start() = 0;
   };
 
-  virtual ~PrivetV2Session() {}
+  virtual ~PrivetV3Session() {}
 
-  static scoped_ptr<PrivetV2Session> Create(PrivetHTTPClient* client);
+  static scoped_ptr<PrivetV3Session> Create(PrivetHTTPClient* client);
 
   // Establish a session, will call |OnSetupConfirmationNeeded| and then
   // |OnSessionEstablished|.
   virtual void Start() = 0;
 
   // Create a single /privet/v2/session/call request.
   virtual scoped_ptr<Request> CreateRequest(
       const char* api_name,
       const base::DictionaryValue& request,
       const RequestCallback& callback);
 };
 
 }  // namespace local_discovery
 
-#endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV2_SESSION_H_
+#endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_