[Sync] [Mac] Implement one-click signin bubble for OS X

chrome/browser/ui/gtk/browser_window_gtk.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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 119 matching lines @@
                                         Profile* profile) OVERRIDE;
   virtual void ToggleBookmarkBar() OVERRIDE;
   virtual void ShowAboutChromeDialog() OVERRIDE;
   virtual void ShowUpdateChromeDialog() OVERRIDE;
   virtual void ShowTaskManager() OVERRIDE;
   virtual void ShowBackgroundPages() OVERRIDE;
   virtual void ShowBookmarkBubble(const GURL& url,
                                   bool already_bookmarked) OVERRIDE;
   virtual void ShowChromeToMobileBubble() OVERRIDE;
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-  virtual void ShowOneClickSigninBubble() OVERRIDE;
+  virtual void ShowOneClickSigninBubble(
+      const base::Closure& learn_more_callback,
+      const base::Closure& advanced_callback) OVERRIDE;
 #endif
   virtual bool IsDownloadShelfVisible() const OVERRIDE;
   virtual DownloadShelf* GetDownloadShelf() OVERRIDE;
   virtual void ConfirmBrowserCloseWithPendingDownloads() OVERRIDE;
   virtual void UserChangedTheme() OVERRIDE;
   virtual int GetExtraRenderViewHeight() const OVERRIDE;
   virtual void WebContentsFocused(content::WebContents* contents) OVERRIDE;
   virtual void ShowPageInfo(Profile* profile,
                             const GURL& url,
                             const content::SSLStatus& ssl,
@@ skipping 419 matching lines @@
   // autocomplete popup before the results can be read) and the final window
   // position is unimportant.
   bool debounce_timer_disabled_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_