PlzNavigate: fix issue preventing navigations to WebUIs

content/browser/frame_host/navigator_impl.cc

Index: content/browser/frame_host/navigator_impl.cc
diff --git a/content/browser/frame_host/navigator_impl.cc b/content/browser/frame_host/navigator_impl.cc
index 71453f0e3634b93770cfcf9e4238024437f9d62b..b5161c69b81a5a55cfdf969dc4fd1b3fec5e5ca4 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -936,9 +936,17 @@ void NavigatorImpl::FailedNavigation(FrameTreeNode* frame_tree_node,
   // Select an appropriate renderer to show the error page.
   RenderFrameHostImpl* render_frame_host =
       frame_tree_node->render_manager()->GetFrameHostForNavigation(
-          *navigation_request);
-  CheckWebUIRendererDoesNotDisplayNormalURL(
+          navigation_request);
+
+  // Perform the appropriate checks for WebUIs.
+  NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL(
       render_frame_host, navigation_request->common_params().url);
+  if (!WebUIImpl::RenderProcessAllowedForURL(
+          render_frame_host->GetProcess(),
+          navigation_request->common_params().url)) {
+    frame_tree_node->ResetNavigationRequest(false);
+    return;
+  }
 
   navigation_request->TransferNavigationHandleOwnership(render_frame_host);
   render_frame_host->navigation_handle()->ReadyToCommitNavigation(