[DevTools] Refactor tethering to allow for minimal changes when moving to generated handler

content/browser/devtools/tethering_handler.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 CONTENT_BROWSER_DEVTOOLS_TETHERING_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_TETHERING_HANDLER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 15 matching lines @@
   class TetheringImpl;
 
   void Accepted(int port, const std::string& name);
   bool Activate();
 
   scoped_refptr<DevToolsProtocol::Response> OnBind(
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> OnUnbind(
       scoped_refptr<DevToolsProtocol::Command>  command);
 
+  void SendBindSuccess(scoped_refptr<DevToolsProtocol::Command> command);
+  void SendUnbindSuccess(scoped_refptr<DevToolsProtocol::Command> command);
+  void SendInternalError(scoped_refptr<DevToolsProtocol::Command> command,
+                         const std::string& message);
+
   DevToolsHttpHandlerDelegate* delegate_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   bool is_active_;
   base::WeakPtrFactory<TetheringHandler> weak_factory_;
 
   static TetheringImpl* impl_;
 
   DISALLOW_COPY_AND_ASSIGN(TetheringHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_TETHERING_HANDLER_H_