PlzNavigate: Support renderer-side failed navigations

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 1794aaa71fcb5af4caa22cb3e05cb35ac6285d80..d6ee3d333518761ebd9561c4d136a77be443741a 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -1020,20 +1020,9 @@ void RenderFrameHostImpl::OnDidFailProvisionalLoadWithError(
   // TODO(clamy): Kill the renderer with RFH_FAIL_PROVISIONAL_LOAD_NO_HANDLE and
   // return early if navigation_handle_ is null, once we prevent that case from
   // happening in practice.
-  if (IsBrowserSideNavigationEnabled() && navigation_handle_ &&
-      navigation_handle_->GetNetErrorCode() == net::OK) {
-    // The renderer should not be sending this message unless asked to commit
-    // an error page.
-    // TODO(clamy): Stop sending DidFailProvisionalLoad IPCs at all when enough
-    // observers have moved to DidFinishNavigation.
-    bad_message::ReceivedBadMessage(
-        GetProcess(), bad_message::RFH_FAIL_PROVISIONAL_LOAD_NO_ERROR);
-    return;
-  }
 
   // Update the error code in the NavigationHandle of the navigation.
-  // PlzNavigate: this has already done in NavigationRequest::OnRequestFailed.
-  if (!IsBrowserSideNavigationEnabled() && navigation_handle_) {
+  if (navigation_handle_) {
     navigation_handle_->set_net_error_code(
         static_cast<net::Error>(params.error_code));
   }