Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/password_manager/password_manager_browsertest.cc

 // Copyright 2013 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 <string>
 
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 34 matching lines @@
 
   bool InfoBarWasShown() {
     return info_bar_shown_;
   }
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE {
     // Accept in the infobar.
-    InfoBarDelegate* infobar = infobar_service_->GetInfoBarDelegateAt(0);
+    InfoBarDelegate* infobar = infobar_service_->infobar_at(0);
     ConfirmInfoBarDelegate* confirm_infobar =
         infobar->AsConfirmInfoBarDelegate();
     confirm_infobar->Accept();
     info_bar_shown_ = true;
   }
 
   // content::WebContentsObserver
   virtual void DidFinishLoad(
       int64 frame_id,
       const GURL& validated_url,
@@ skipping 55 matching lines @@
   // cases where the element that users click on isn't a submit button.
   NavigationObserver observer(WebContents());
   std::string fill_and_navigate =
       "document.getElementById('username_field').value = 'temp';"
       "document.getElementById('password_field').value = 'random';"
       "send_xhr()";
   ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), fill_and_navigate));
   observer.Wait();
   EXPECT_FALSE(observer.InfoBarWasShown());
 }