Move infobar handling to a tab helper.

chrome/browser/alternate_nav_url_fetcher.cc

 // Copyright (c) 2011 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/alternate_nav_url_fetcher.h"
 
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/intranet_redirect_detector.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "content/common/notification_service.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "net/base/registry_controlled_domain.h"
 #include "net/url_request/url_request.h"
@@ skipping 141 matching lines @@
 void AlternateNavURLFetcher::ShowInfobarIfPossible() {
   if (!navigated_to_entry_ || state_ != SUCCEEDED) {
     if (state_ == FAILED)
       delete this;
     return;
   }
 
   infobar_contents_ = controller_->tab_contents();
   StoreActiveEntryUniqueID(infobar_contents_);
   TabContentsWrapper::GetCurrentWrapperForContents(infobar_contents_)->
-      AddInfoBar(this);
+      infobar_tab_helper()->AddInfoBar(this);
 }