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

chrome/browser/signin/signin_promo.h

Index: chrome/browser/signin/signin_promo.h
diff --git a/chrome/browser/signin/signin_promo.h b/chrome/browser/signin/signin_promo.h
index de50e86ee15d07317dc2da3da574492c5ce28382..3660645d12e9cf4ccf99182f13ed36268d16ada4 100644
--- a/chrome/browser/signin/signin_promo.h
+++ b/chrome/browser/signin/signin_promo.h
@@ -95,11 +95,6 @@ bool IsAutoCloseEnabledInURL(const GURL& url);
 // 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);