Create chrome/browser/api directory. Move infobar delegates used by Autofill to the directory.

chrome/browser/infobars/infobar_tab_helper.cc

 // 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.
 
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 
+#include "chrome/browser/api/infobars/infobar_delegate.h"
 #include "chrome/browser/infobars/infobar.h"
-#include "chrome/browser/infobars/infobar_delegate.h"
-#include "chrome/browser/tab_contents/insecure_content_infobar_delegate.h"
+#include "chrome/browser/infobars/insecure_content_infobar_delegate.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 using content::NavigationController;
 using content::WebContents;
 
 InfoBarTabHelper::InfoBarTabHelper(WebContents* web_contents)
@@ skipping 174 matching lines @@
         if (delegate->ShouldExpire(committed_details))
           RemoveInfoBar(delegate);
       }
 
       break;
     }
     default:
       NOTREACHED();
   }
 }