Do not reset NavigationHandle when navigating same-page

content/browser/frame_host/navigator.cc

Index: content/browser/frame_host/navigator.cc
diff --git a/content/browser/frame_host/navigator.cc b/content/browser/frame_host/navigator.cc
index 4985d9ec21cd51c90d12da2c8586ed676749cf11..aee61f64d0e004e95535aa8ed3fbac610f969394 100644
--- a/content/browser/frame_host/navigator.cc
+++ b/content/browser/frame_host/navigator.cc
@@ -38,9 +38,4 @@ void Navigator::OnBeginNavigation(FrameTreeNode* frame_tree_node,
                                   const CommonNavigationParams& common_params,
                                   const BeginNavigationParams& begin_params) {}
 
-NavigationHandleImpl* Navigator::GetNavigationHandleForFrameHost(
-    RenderFrameHostImpl* render_frame_host) {
-  return nullptr;
-}
-
 }  // namespace content