Split infobar_delegate.[cc,h] into separate pieces for the different classes defined within, so that

chrome/browser/alternate_nav_url_fetcher.h

 // 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.
 
 #ifndef CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_
 #define CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_
 #pragma once
 
 #include <string>
 
-#include "chrome/browser/tab_contents/infobar_delegate.h"
+#include "chrome/browser/tab_contents/link_infobar_delegate.h"
 #include "chrome/common/net/url_fetcher.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
 class NavigationController;
 
 // Attempts to get the HEAD of a host name and displays an info bar if the
 // request was successful. This is used for single-word queries where we can't
 // tell if the entry was a search or an intranet hostname. The autocomplete bar
 // assumes it's a query and issues an AlternateNavURLFetcher to display a "did
@@ skipping 61 matching lines @@
 
   // The TabContents the InfoBarDelegate was added to.
   TabContents* infobar_contents_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AlternateNavURLFetcher);
 };
 
 #endif  // CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_