Move blocking of top-level navigations to nested URLs with extension origins from non-extension pro…

content/browser/frame_host/interstitial_page_navigator_impl.cc

Index: content/browser/frame_host/interstitial_page_navigator_impl.cc
diff --git a/content/browser/frame_host/interstitial_page_navigator_impl.cc b/content/browser/frame_host/interstitial_page_navigator_impl.cc
index a19deefa127366eb78f867e56bc8c4c4d7fd73b0..d4c803360889599c8d970ab380c67429d66be1f3 100644
--- a/content/browser/frame_host/interstitial_page_navigator_impl.cc
+++ b/content/browser/frame_host/interstitial_page_navigator_impl.cc
@@ -34,13 +34,15 @@ void InterstitialPageNavigatorImpl::DidStartProvisionalLoad(
   // The interstitial page should only navigate once.
   DCHECK(!navigation_handle_.get());
   navigation_handle_ =
-      NavigationHandleImpl::Create(url, render_frame_host->frame_tree_node(),
-                                   false,  // is_renderer_initiated
-                                   false,  // is_synchronous
-                                   false,  // is_srcdoc
-                                   navigation_start,
-                                   0,       // pending_nav_entry_id
-                                   false);  // started_in_context_menu
+      NavigationHandleImpl::Create(url,
+          render_frame_host->GetSiteInstance()->GetSiteURL(),
+          render_frame_host->frame_tree_node(),
+          false,  // is_renderer_initiated
+          false,  // is_synchronous
+          false,  // is_srcdoc
+          navigation_start,
+          0,       // pending_nav_entry_id
+          false);  // started_in_context_menu
 }
 
 void InterstitialPageNavigatorImpl::DidNavigate(