Remove unused fields from //content.

content/public/browser/load_notification_details.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
 #define CONTENT_PUBLIC_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
 
 #include "base/time/time.h"
 #include "content/public/browser/navigation_controller.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // The LoadNotificationDetails object contains additional details about a
 // page load that has been completed.  It was created to let the MetricsService
 // log page load metrics.
 struct LoadNotificationDetails {
   LoadNotificationDetails(const GURL& url,
-                          ui::PageTransition origin,
                           base::TimeDelta load_time,
                           NavigationController* controller,
                           int session_index)
       : url(url),
         load_time(load_time),
         session_index(session_index),
-        origin(origin),
         controller(controller) {}
 
   // The URL loaded.
   GURL url;
 
   // The length of time the page load took.
   base::TimeDelta load_time;
 
   // The index of the load within the tab session.
   int session_index;
 
-  // The type of action that caused the load.
-  ui::PageTransition origin;
-
   // The NavigationController for the load.
   NavigationController* controller;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_LOAD_NOTIFICATION_DETAILS_H_