Disconnect one click sign in code. The code itself will be removed in followup

chrome/browser/signin/signin_promo.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_SIGNIN_SIGNIN_PROMO_H_
 #define CHROME_BROWSER_SIGNIN_SIGNIN_PROMO_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 77 matching lines @@
 // The source identifies from where the sign in promo was opened.
 signin_metrics::Source GetSourceForPromoURL(const GURL& url);
 
 // Returns true if the auto_close parameter in the given URL is set to true.
 bool IsAutoCloseEnabledInURL(const GURL& url);
 
 // Returns true if the showAccountManagement parameter in the given url is set
 // to true.
 bool ShouldShowAccountManagement(const GURL& url);
 
-// Returns true if the given URL is the standard continue URL used with the
-// sync promo when the web-based flow is enabled.  The query parameters
-// of the URL are ignored for this comparison.
-bool IsContinueUrlForWebBasedSigninFlow(const GURL& url);
-
 // Forces UseWebBasedSigninFlow() to return true when set; used in tests only.
 void ForceWebBasedSigninFlowForTesting(bool force);
 
 // Registers the preferences the Sign In Promo needs.
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
 }  // namespace signin
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_PROMO_H_