Create NavigationHandles for interstitials if needed

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 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/navigator_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 986 matching lines @@
     const base::TimeTicks& renderer_before_unload_end_time) {
   // Only stores the beforeunload delay if we're tracking a browser initiated
   // navigation and it happened later than the navigation request.
   if (navigation_data_ &&
       renderer_before_unload_start_time > navigation_data_->start_time_) {
     navigation_data_->before_unload_delay_ =
         renderer_before_unload_end_time - renderer_before_unload_start_time;
   }
 }
 
+NavigationHandleImpl* NavigatorImpl::GetNavigationHandleForFrameHost(
+    RenderFrameHostImpl* render_frame_host) {
+  return render_frame_host->navigation_handle();
+}
+
 // PlzNavigate
 void NavigatorImpl::RequestNavigation(FrameTreeNode* frame_tree_node,
                                       const GURL& dest_url,
                                       const Referrer& dest_referrer,
                                       const FrameNavigationEntry& frame_entry,
                                       const NavigationEntryImpl& entry,
                                       ReloadType reload_type,
                                       LoFiState lofi_state,
                                       bool is_same_document_history_load,
                                       bool is_history_navigation_in_new_child,
@@ skipping 182 matching lines @@
   if (pending_entry != controller_->GetVisibleEntry() ||
       !should_preserve_entry) {
     controller_->DiscardPendingEntry(true);
 
     // Also force the UI to refresh.
     controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content