Update behavior of one-click infobar to remove modal dialog, add "undo".

chrome/browser/ui/browser_window.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_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 #pragma once
 
 #include "base/callback_forward.h"
 #include "chrome/browser/ui/base_window.h"
@@ skipping 199 matching lines @@
   virtual void ShowBackgroundPages() = 0;
 
   // Shows the Bookmark bubble. |url| is the URL being bookmarked,
   // |already_bookmarked| is true if the url is already bookmarked.
   virtual void ShowBookmarkBubble(const GURL& url, bool already_bookmarked) = 0;
 
   // Shows the Chrome To Mobile bubble.
   virtual void ShowChromeToMobileBubble() = 0;
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-  // Shows the one-click sign in bubble.  The given closures are run
-  // when their corresponding links are clicked.
+  // Shows the one-click sign in bubble.  If the user chooses to accept the
+  // sign in, |start_sync_callback| is called.  The boolean argument is true
+  // if the default sync settings should be used, and false if the user wants
+  // to configure the settings.
   virtual void ShowOneClickSigninBubble(
-      const base::Closure& learn_more_callback,
-      const base::Closure& advanced_callback) = 0;
+      const base::Callback<void(bool)>& start_sync_callback) = 0;
 #endif
 
   // Whether or not the shelf view is visible.
   virtual bool IsDownloadShelfVisible() const = 0;
 
   // Returns the DownloadShelf.
   virtual DownloadShelf* GetDownloadShelf() = 0;
 
   // Shows the confirmation dialog box warning that the browser is closing with
   // in-progress downloads.
@@ skipping 152 matching lines @@
 
   // Returns the ToolbarView.
   virtual ToolbarView* GetToolbarView() const = 0;
 #endif
 
  protected:
   virtual ~BrowserWindowTesting() {}
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_