Remove one-click signin inforbar, since its now replaced with the gaia

chrome/browser/ui/sync/one_click_signin_helper.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 CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 #define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 84 matching lines @@
                        const std::string& email,
                        std::string* error_message);
 
   // Returns true if the one-click signin feature can be offered at this time.
   // It can be offered if the io_data is not in an incognito window and if the
   // origin of |url| is a valid Gaia sign in origin.  This function is meant
   // to called only from the IO thread.
   static Offer CanOfferOnIOThread(net::URLRequest* request,
                                   ProfileIOData* io_data);
 
-  // Initialize a finch experiment for the infobar.
-  static void InitializeFieldTrial();
-
   // Looks for the Google-Accounts-SignIn response header, and if found,
   // tries to display an infobar in the tab contents identified by the
   // child/route id.
   static void ShowInfoBarIfPossible(net::URLRequest* request,
                                     ProfileIOData* io_data,
                                     int child_id,
                                     int route_id);
 
   // Remove the item currently at the top of the history list.  Due to
   // limitations of the NavigationController, this cannot be done until
@@ skipping 121 matching lines @@
 
   // Whether a Gaia URL during the sign in process was not handled by the
   // dedicated sign in process.  This is set to false if at least one such
   // URL is detected.
   bool is_trusted_;
 
   DISALLOW_COPY_AND_ASSIGN(OneClickSigninHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_