Change infobar creation to use a public static Create() method on the infobar delegate classes.

chrome/browser/ui/auto_login_info_bar_delegate.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_AUTO_LOGIN_INFO_BAR_DELEGATE_H_
 #define CHROME_BROWSER_UI_AUTO_LOGIN_INFO_BAR_DELEGATE_H_
 
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 22 matching lines @@
     // "args" string from x-auto-login to be passed to MergeSession. This string
     // should be considered opaque and not be cracked open to look inside.
     std::string args;
 
     // Username to display in the infobar indicating user to be logged in as.
     // This is initially fetched from sign-in on non-Android platforms. Note
     // that on Android this field is not used.
     std::string username;
   };
 
-  AutoLoginInfoBarDelegate(InfoBarService* owner, const Params& params);
-  virtual ~AutoLoginInfoBarDelegate();
+  // Creates an autologin delegate and adds it to |infobar_service|.
+  static void Create(InfoBarService* infobar_service, const Params& params);
 
   // ConfirmInfoBarDelegate:
   virtual void InfoBarDismissed() OVERRIDE;
   virtual gfx::Image* GetIcon() const OVERRIDE;
   virtual Type GetInfoBarType() const OVERRIDE;
   virtual AutoLoginInfoBarDelegate* AsAutoLoginInfoBarDelegate() OVERRIDE;
   virtual string16 GetMessageText() const OVERRIDE;
   virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
   virtual bool Accept() OVERRIDE;
   virtual bool Cancel() OVERRIDE;
 
   // content::NotificationObserver overrides.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // All the methods below are used by the Android implementation of the
   // AutoLogin bar on the app side.
   string16 GetMessageText(const std::string& username) const;
 
   const std::string& realm() const { return params_.realm; }
   const std::string& account() const { return params_.account; }
   const std::string& args() const { return params_.args; }
 
  private:
+  AutoLoginInfoBarDelegate(InfoBarService* owner, const Params& params);
+  virtual ~AutoLoginInfoBarDelegate();
+
   void RecordHistogramAction(int action);
 
   const Params params_;
 
   // Whether any UI controls in the infobar were pressed or not.
   bool button_pressed_;
 
   // For listening to the user signing out.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AutoLoginInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_AUTO_LOGIN_INFO_BAR_DELEGATE_H_