Do not reset NavigationHandle when navigating same-page

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..548b4d1a6892d8aa9b06dedc16b0dad55bfecac0 100644
--- a/content/browser/frame_host/interstitial_page_navigator_impl.cc
+++ b/content/browser/frame_host/interstitial_page_navigator_impl.cc
@@ -45,8 +45,9 @@ void InterstitialPageNavigatorImpl::DidStartProvisionalLoad(
 
 void InterstitialPageNavigatorImpl::DidNavigate(
     RenderFrameHostImpl* render_frame_host,
-    const FrameHostMsg_DidCommitProvisionalLoad_Params& input_params) {
-  if (navigation_handle_) {
+    const FrameHostMsg_DidCommitProvisionalLoad_Params& input_params,
+    std::unique_ptr<NavigationHandleImpl> navigation_handle) {
+  if (!navigation_handle->IsSamePage() && navigation_handle_) {
     navigation_handle_->DidCommitNavigation(input_params, false,
                                             render_frame_host);
     navigation_handle_.reset();