Remove dependency of infobars component on the embedder

chrome/browser/password_manager/save_password_infobar_delegate.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/password_manager/save_password_infobar_delegate.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/grit/chromium_strings.h"
@@ skipping 28 matching lines @@
        (realm == GURL("https://www.google.com/"))) &&
       switches::IsEnableWebBasedSignin() &&
       OneClickSigninHelper::CanOffer(
           web_contents,
           OneClickSigninHelper::CAN_OFFER_FOR_INTERSTITAL_ONLY,
           base::UTF16ToUTF8(form_to_save->associated_username()),
           NULL))
     return;
 #endif
 
-  InfoBarService::FromWebContents(web_contents)->AddInfoBar(
-      ConfirmInfoBarDelegate::CreateInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
-          new SavePasswordInfoBarDelegate(form_to_save.Pass(),
-                                          uma_histogram_suffix))));
+  InfoBarService* infobar_service =
+      InfoBarService::FromWebContents(web_contents);
+  infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
+      infobar_service,
+      scoped_ptr<ConfirmInfoBarDelegate>(new SavePasswordInfoBarDelegate(
+          form_to_save.Pass(), uma_histogram_suffix))));
 }
 
 SavePasswordInfoBarDelegate::~SavePasswordInfoBarDelegate() {
   UMA_HISTOGRAM_ENUMERATION("PasswordManager.InfoBarResponse",
                             infobar_response_,
                             password_manager::metrics_util::NUM_RESPONSE_TYPES);
 
   password_manager::metrics_util::LogUIDismissalReason(infobar_response_);
 
   // The shortest period for which the prompt needs to live, so that we don't
@@ skipping 69 matching lines @@
 
 void SavePasswordInfoBarDelegate::InfoBarDismissed() {
   DCHECK(form_to_save_.get());
   infobar_response_ = password_manager::metrics_util::INFOBAR_DISMISSED;
 }
 
 infobars::InfoBarDelegate::InfoBarAutomationType
 SavePasswordInfoBarDelegate::GetInfoBarAutomationType() const {
   return PASSWORD_INFOBAR;
 }