Prevent RFH from attempting to transfer after it's been swapped out

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index 46ddfa26acfde24fcf4f5a1b1d834452f8fe95b2..f04b78fa75aa229332f83cad4013289de9e88930 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -632,6 +632,10 @@ void RenderFrameHostManager::SwapOutOldFrame(
       CreateRenderFrameProxyHost(old_render_frame_host->GetSiteInstance(),
                                  old_render_frame_host->render_view_host());
 
+  // Reset any NavigationHandle in the RenderFrameHost. This will prevent any
+  // ongoing navigation from attempting to transfer.
+  old_render_frame_host->SetNavigationHandle(nullptr);
+
   // Tell the old RenderFrameHost to swap out and be replaced by the proxy.
   old_render_frame_host->SwapOut(proxy, true);