Classify navigations without page id in parallel to the existing classifier.

content/public/renderer/navigation_state.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 "content/public/renderer/navigation_state.h"
 
 namespace content {
 
 NavigationState::NavigationState(ui::PageTransition transition_type,
                                  bool is_content_initiated,
                                  int32 pending_page_id,
+                                 int pending_nav_entry_id,
                                  int pending_history_list_offset,
                                  bool history_list_was_cleared)
     : transition_type_(transition_type),
       request_committed_(false),
       is_content_initiated_(is_content_initiated),
       pending_page_id_(pending_page_id),
+      pending_nav_entry_id_(pending_nav_entry_id),
       pending_history_list_offset_(pending_history_list_offset),
       history_list_was_cleared_(history_list_was_cleared),
       should_replace_current_entry_(false),
       was_within_same_page_(false),
       transferred_request_child_id_(-1),
       transferred_request_request_id_(-1),
       allow_download_(true) {
 }
 
 NavigationState::~NavigationState() {}
 
 }  // namespace content