Address bug where the one-click sign-in bar would never show again once

chrome/browser/ui/sync/one_click_signin_helper.h

Index: chrome/browser/ui/sync/one_click_signin_helper.h
===================================================================
--- chrome/browser/ui/sync/one_click_signin_helper.h	(revision 148749)
+++ chrome/browser/ui/sync/one_click_signin_helper.h	(working copy)
@@ -27,9 +27,11 @@
   // Returns true if the one-click signin feature can be offered at this time.
   // It can be offered if the contents is not in an incognito window.  If
   // |check_connected| is true, then the profile is checked to see if it's
-  // already connected to a google account, in which case a one click signin
+  // already connected to a google account or if the user has already rejected
+  // one-click sign-in with this email, in which cases a one click signin
   // should not be offered.
   static bool CanOffer(content::WebContents* web_contents,
+                       const std::string& email,
                        bool check_connected);
 
   // Looks for the Google-Accounts-SignIn response header, and if found,