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

content/browser/frame_host/navigation_request.cc

 // Copyright 2014 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/browser/frame_host/navigation_request.h"
 
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_request_info.h"
@@ skipping 92 matching lines @@
     scoped_refptr<ResourceRequestBody> body,
     int current_history_list_offset,
     int current_history_list_length) {
   // TODO(clamy): Check if some PageState should be provided here.
   // TODO(clamy): See how we should handle override of the user agent when the
   // navigation may start in a renderer and commit in another one.
   // TODO(clamy): See if the navigation start time should be measured in the
   // renderer and sent to the browser instead of being measured here.
   scoped_ptr<NavigationRequest> navigation_request(new NavigationRequest(
       frame_tree_node, common_params, begin_params, CommitNavigationParams(),
-      HistoryNavigationParams(PageState(), -1, -1, current_history_list_offset,
+      HistoryNavigationParams(PageState(), -1, 0, -1,
+                              current_history_list_offset,
                               current_history_list_length, false),
       body, false, nullptr));
   return navigation_request.Pass();
 }
 
 NavigationRequest::NavigationRequest(
     FrameTreeNode* frame_tree_node,
     const CommonNavigationParams& common_params,
     const BeginNavigationParams& begin_params,
     const CommitNavigationParams& commit_params,
@@ skipping 83 matching lines @@
   // TODO(davidben): Network failures should display a network error page.
   NOTIMPLEMENTED() << " where net_error=" << net_error;
 }
 
 void NavigationRequest::OnRequestStarted(base::TimeTicks timestamp) {
   frame_tree_node_->navigator()->LogResourceRequestTime(timestamp,
                                                         common_params_.url);
 }
 
 }  // namespace content