chrome.gcdPrivate allows app to choose pairing method.

chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.h

 // Copyright 2013 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_UI_WEBUI_LOCAL_DISCOVERY_LOCAL_DISCOVERY_UI_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_LOCAL_DISCOVERY_LOCAL_DISCOVERY_UI_HANDLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 54 matching lines @@
                              const base::DictionaryValue* json) override;
   void OnPrivetRegisterDone(PrivetRegisterOperation* operation,
                             const std::string& device_id) override;
 
   // PrivetV3SetupFlow::Delegate implementation.
   scoped_ptr<GCDApiFlow> CreateApiFlow() override;
   void GetWiFiCredentials(const CredentialsCallback& callback) override;
   void SwitchToSetupWiFi(const ResultCallback& callback) override;
   void CreatePrivetV3Client(const std::string& service_name,
                             const PrivetClientCallback& callback) override;
-  void ConfirmSecurityCode(const std::string& confirmation_code,
-                           const ResultCallback& callback) override;
+  void ConfirmSecurityCode(const ResultCallback& callback) override;
   void RestoreWifi(const ResultCallback& callback) override;
   void OnSetupDone() override;
   void OnSetupError() override;
 
   // PrivetDeviceLister::Delegate implementation.
   void DeviceChanged(bool added,
                      const std::string& name,
                      const DeviceDescription& description) override;
   void DeviceRemoved(const std::string& name) override;
   void DeviceCacheFlushed() override;
@@ skipping 142 matching lines @@
   scoped_ptr<wifi::BootstrappingDeviceLister> bootstrapping_device_lister_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(LocalDiscoveryUIHandler);
 };
 
 #undef CLOUD_PRINT_CONNECTOR_UI_AVAILABLE
 
 }  // namespace local_discovery
 #endif  // CHROME_BROWSER_UI_WEBUI_LOCAL_DISCOVERY_LOCAL_DISCOVERY_UI_HANDLER_H_